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          * Load minor LSMs, with the capability module always first.
  60          */
  61         capability_add_hooks();
  62         yama_add_hooks();
  63         loadpin_add_hooks();
  64
  65         /*
  66          * Load all the remaining security modules.
  67          */
  68         do_security_initcalls();
  69
  70         return 0;
  71 }
  72
  73 /* Save user chosen LSM */
  74 static int __init choose_lsm(char *str)
  75 {
  76         strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
  77         return 1;
  78 }
  79 __setup("security=", choose_lsm);
  80
  81 /**
  82  * security_module_enable - Load given security module on boot ?
  83  * @module: the name of the module
  84  *
  85  * Each LSM must pass this method before registering its own operations
  86  * to avoid security registration races. This method may also be used
  87  * to check if your LSM is currently loaded during kernel initialization.
  88  *
  89  * Return true if:
  90  *      -The passed LSM is the one chosen by user at boot time,
  91  *      -or the passed LSM is configured as the default and the user did not
  92  *       choose an alternate LSM at boot time.
  93  * Otherwise, return false.
  94  */
  95 int __init security_module_enable(const char *module)
  96 {
  97         return !strcmp(module, chosen_lsm);
  98 }
  99
 100 /*
 101  * Hook list operation macros.
 102  *
 103  * call_void_hook:
 104  *      This is a hook that does not return a value.
 105  *
 106  * call_int_hook:
 107  *      This is a hook that returns a value.
 108  */
 109
 110 #define call_void_hook(FUNC, ...)                               \
 111         do {                                                    \
 112                 struct security_hook_list *P;                   \
 113                                                                 \
 114                 list_for_each_entry(P, &security_hook_heads.FUNC, list) \
 115                         P->hook.FUNC(__VA_ARGS__);              \
 116         } while (0)
 117
 118 #define call_int_hook(FUNC, IRC, ...) ({                        \
 119         int RC = IRC;                                           \
 120         do {                                                    \
 121                 struct security_hook_list *P;                   \
 122                                                                 \
 123                 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
 124                         RC = P->hook.FUNC(__VA_ARGS__);         \
 125                         if (RC != 0)                            \
 126                                 break;                          \
 127                 }                                               \
 128         } while (0);                                            \
 129         RC;                                                     \
 130 })
 131
 132 /* Security operations */
 133
 134 int security_binder_set_context_mgr(struct task_struct *mgr)
 135 {
 136         return call_int_hook(binder_set_context_mgr, 0, mgr);
 137 }
 138
 139 int security_binder_transaction(struct task_struct *from,
 140                                 struct task_struct *to)
 141 {
 142         return call_int_hook(binder_transaction, 0, from, to);
 143 }
 144
 145 int security_binder_transfer_binder(struct task_struct *from,
 146                                     struct task_struct *to)
 147 {
 148         return call_int_hook(binder_transfer_binder, 0, from, to);
 149 }
 150
 151 int security_binder_transfer_file(struct task_struct *from,
 152                                   struct task_struct *to, struct file *file)
 153 {
 154         return call_int_hook(binder_transfer_file, 0, from, to, file);
 155 }
 156
 157 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
 158 {
 159         return call_int_hook(ptrace_access_check, 0, child, mode);
 160 }
 161
 162 int security_ptrace_traceme(struct task_struct *parent)
 163 {
 164         return call_int_hook(ptrace_traceme, 0, parent);
 165 }
 166
 167 int security_capget(struct task_struct *target,
 168                      kernel_cap_t *effective,
 169                      kernel_cap_t *inheritable,
 170                      kernel_cap_t *permitted)
 171 {
 172         return call_int_hook(capget, 0, target,
 173                                 effective, inheritable, permitted);
 174 }
 175
 176 int security_capset(struct cred *new, const struct cred *old,
 177                     const kernel_cap_t *effective,
 178                     const kernel_cap_t *inheritable,
 179                     const kernel_cap_t *permitted)
 180 {
 181         return call_int_hook(capset, 0, new, old,
 182                                 effective, inheritable, permitted);
 183 }
 184
 185 int security_capable(const struct cred *cred, struct user_namespace *ns,
 186                      int cap)
 187 {
 188         return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
 189 }
 190
 191 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
 192                              int cap)
 193 {
 194         return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
 195 }
 196
 197 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
 198 {
 199         return call_int_hook(quotactl, 0, cmds, type, id, sb);
 200 }
 201
 202 int security_quota_on(struct dentry *dentry)
 203 {
 204         return call_int_hook(quota_on, 0, dentry);
 205 }
 206
 207 int security_syslog(int type)
 208 {
 209         return call_int_hook(syslog, 0, type);
 210 }
 211
 212 int security_settime64(const struct timespec64 *ts, const struct timezone *tz)
 213 {
 214         return call_int_hook(settime, 0, ts, tz);
 215 }
 216
 217 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 218 {
 219         struct security_hook_list *hp;
 220         int cap_sys_admin = 1;
 221         int rc;
 222
 223         /*
 224          * The module will respond with a positive value if
 225          * it thinks the __vm_enough_memory() call should be
 226          * made with the cap_sys_admin set. If all of the modules
 227          * agree that it should be set it will. If any module
 228          * thinks it should not be set it won't.
 229          */
 230         list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
 231                 rc = hp->hook.vm_enough_memory(mm, pages);
 232                 if (rc <= 0) {
 233                         cap_sys_admin = 0;
 234                         break;
 235                 }
 236         }
 237         return __vm_enough_memory(mm, pages, cap_sys_admin);
 238 }
 239
 240 int security_bprm_set_creds(struct linux_binprm *bprm)
 241 {
 242         return call_int_hook(bprm_set_creds, 0, bprm);
 243 }
 244
 245 int security_bprm_check(struct linux_binprm *bprm)
 246 {
 247         int ret;
 248
 249         ret = call_int_hook(bprm_check_security, 0, bprm);
 250         if (ret)
 251                 return ret;
 252         return ima_bprm_check(bprm);
 253 }
 254
 255 void security_bprm_committing_creds(struct linux_binprm *bprm)
 256 {
 257         call_void_hook(bprm_committing_creds, bprm);
 258 }
 259
 260 void security_bprm_committed_creds(struct linux_binprm *bprm)
 261 {
 262         call_void_hook(bprm_committed_creds, bprm);
 263 }
 264
 265 int security_bprm_secureexec(struct linux_binprm *bprm)
 266 {
 267         return call_int_hook(bprm_secureexec, 0, bprm);
 268 }
 269
 270 int security_sb_alloc(struct super_block *sb)
 271 {
 272         return call_int_hook(sb_alloc_security, 0, sb);
 273 }
 274
 275 void security_sb_free(struct super_block *sb)
 276 {
 277         call_void_hook(sb_free_security, sb);
 278 }
 279
 280 int security_sb_copy_data(char *orig, char *copy)
 281 {
 282         return call_int_hook(sb_copy_data, 0, orig, copy);
 283 }
 284 EXPORT_SYMBOL(security_sb_copy_data);
 285
 286 int security_sb_remount(struct super_block *sb, void *data)
 287 {
 288         return call_int_hook(sb_remount, 0, sb, data);
 289 }
 290
 291 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
 292 {
 293         return call_int_hook(sb_kern_mount, 0, sb, flags, data);
 294 }
 295
 296 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
 297 {
 298         return call_int_hook(sb_show_options, 0, m, sb);
 299 }
 300
 301 int security_sb_statfs(struct dentry *dentry)
 302 {
 303         return call_int_hook(sb_statfs, 0, dentry);
 304 }
 305
 306 int security_sb_mount(const char *dev_name, const struct path *path,
 307                        const char *type, unsigned long flags, void *data)
 308 {
 309         return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
 310 }
 311
 312 int security_sb_umount(struct vfsmount *mnt, int flags)
 313 {
 314         return call_int_hook(sb_umount, 0, mnt, flags);
 315 }
 316
 317 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path)
 318 {
 319         return call_int_hook(sb_pivotroot, 0, old_path, new_path);
 320 }
 321
 322 int security_sb_set_mnt_opts(struct super_block *sb,
 323                                 struct security_mnt_opts *opts,
 324                                 unsigned long kern_flags,
 325                                 unsigned long *set_kern_flags)
 326 {
 327         return call_int_hook(sb_set_mnt_opts,
 328                                 opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
 329                                 opts, kern_flags, set_kern_flags);
 330 }
 331 EXPORT_SYMBOL(security_sb_set_mnt_opts);
 332
 333 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
 334                                 struct super_block *newsb)
 335 {
 336         return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
 337 }
 338 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
 339
 340 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 341 {
 342         return call_int_hook(sb_parse_opts_str, 0, options, opts);
 343 }
 344 EXPORT_SYMBOL(security_sb_parse_opts_str);
 345
 346 int security_inode_alloc(struct inode *inode)
 347 {
 348         inode->i_security = NULL;
 349         return call_int_hook(inode_alloc_security, 0, inode);
 350 }
 351
 352 void security_inode_free(struct inode *inode)
 353 {
 354         integrity_inode_free(inode);
 355         call_void_hook(inode_free_security, inode);
 356 }
 357
 358 int security_dentry_init_security(struct dentry *dentry, int mode,
 359                                         const struct qstr *name, void **ctx,
 360                                         u32 *ctxlen)
 361 {
 362         return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
 363                                 name, ctx, ctxlen);
 364 }
 365 EXPORT_SYMBOL(security_dentry_init_security);
 366
 367 int security_inode_init_security(struct inode *inode, struct inode *dir,
 368                                  const struct qstr *qstr,
 369                                  const initxattrs initxattrs, void *fs_data)
 370 {
 371         struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
 372         struct xattr *lsm_xattr, *evm_xattr, *xattr;
 373         int ret;
 374
 375         if (unlikely(IS_PRIVATE(inode)))
 376                 return 0;
 377
 378         if (!initxattrs)
 379                 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
 380                                      dir, qstr, NULL, NULL, NULL);
 381         memset(new_xattrs, 0, sizeof(new_xattrs));
 382         lsm_xattr = new_xattrs;
 383         ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
 384                                                 &lsm_xattr->name,
 385                                                 &lsm_xattr->value,
 386                                                 &lsm_xattr->value_len);
 387         if (ret)
 388                 goto out;
 389
 390         evm_xattr = lsm_xattr + 1;
 391         ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
 392         if (ret)
 393                 goto out;
 394         ret = initxattrs(inode, new_xattrs, fs_data);
 395 out:
 396         for (xattr = new_xattrs; xattr->value != NULL; xattr++)
 397                 kfree(xattr->value);
 398         return (ret == -EOPNOTSUPP) ? 0 : ret;
 399 }
 400 EXPORT_SYMBOL(security_inode_init_security);
 401
 402 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
 403                                      const struct qstr *qstr, const char **name,
 404                                      void **value, size_t *len)
 405 {
 406         if (unlikely(IS_PRIVATE(inode)))
 407                 return -EOPNOTSUPP;
 408         return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
 409                              qstr, name, value, len);
 410 }
 411 EXPORT_SYMBOL(security_old_inode_init_security);
 412
 413 #ifdef CONFIG_SECURITY_PATH
 414 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
 415                         unsigned int dev)
 416 {
 417         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 418                 return 0;
 419         return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
 420 }
 421 EXPORT_SYMBOL(security_path_mknod);
 422
 423 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode)
 424 {
 425         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 426                 return 0;
 427         return call_int_hook(path_mkdir, 0, dir, dentry, mode);
 428 }
 429 EXPORT_SYMBOL(security_path_mkdir);
 430
 431 int security_path_rmdir(const struct path *dir, struct dentry *dentry)
 432 {
 433         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 434                 return 0;
 435         return call_int_hook(path_rmdir, 0, dir, dentry);
 436 }
 437
 438 int security_path_unlink(const struct path *dir, struct dentry *dentry)
 439 {
 440         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 441                 return 0;
 442         return call_int_hook(path_unlink, 0, dir, dentry);
 443 }
 444 EXPORT_SYMBOL(security_path_unlink);
 445
 446 int security_path_symlink(const struct path *dir, struct dentry *dentry,
 447                           const char *old_name)
 448 {
 449         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 450                 return 0;
 451         return call_int_hook(path_symlink, 0, dir, dentry, old_name);
 452 }
 453
 454 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
 455                        struct dentry *new_dentry)
 456 {
 457         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
 458                 return 0;
 459         return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
 460 }
 461
 462 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
 463                          const struct path *new_dir, struct dentry *new_dentry,
 464                          unsigned int flags)
 465 {
 466         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
 467                      (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
 468                 return 0;
 469
 470         if (flags & RENAME_EXCHANGE) {
 471                 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
 472                                         old_dir, old_dentry);
 473                 if (err)
 474                         return err;
 475         }
 476
 477         return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
 478                                 new_dentry);
 479 }
 480 EXPORT_SYMBOL(security_path_rename);
 481
 482 int security_path_truncate(const struct path *path)
 483 {
 484         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 485                 return 0;
 486         return call_int_hook(path_truncate, 0, path);
 487 }
 488
 489 int security_path_chmod(const struct path *path, umode_t mode)
 490 {
 491         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 492                 return 0;
 493         return call_int_hook(path_chmod, 0, path, mode);
 494 }
 495
 496 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
 497 {
 498         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 499                 return 0;
 500         return call_int_hook(path_chown, 0, path, uid, gid);
 501 }
 502
 503 int security_path_chroot(const struct path *path)
 504 {
 505         return call_int_hook(path_chroot, 0, path);
 506 }
 507 #endif
 508
 509 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
 510 {
 511         if (unlikely(IS_PRIVATE(dir)))
 512                 return 0;
 513         return call_int_hook(inode_create, 0, dir, dentry, mode);
 514 }
 515 EXPORT_SYMBOL_GPL(security_inode_create);
 516
 517 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
 518                          struct dentry *new_dentry)
 519 {
 520         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
 521                 return 0;
 522         return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
 523 }
 524
 525 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
 526 {
 527         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 528                 return 0;
 529         return call_int_hook(inode_unlink, 0, dir, dentry);
 530 }
 531
 532 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
 533                             const char *old_name)
 534 {
 535         if (unlikely(IS_PRIVATE(dir)))
 536                 return 0;
 537         return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
 538 }
 539
 540 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 541 {
 542         if (unlikely(IS_PRIVATE(dir)))
 543                 return 0;
 544         return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
 545 }
 546 EXPORT_SYMBOL_GPL(security_inode_mkdir);
 547
 548 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
 549 {
 550         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 551                 return 0;
 552         return call_int_hook(inode_rmdir, 0, dir, dentry);
 553 }
 554
 555 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 556 {
 557         if (unlikely(IS_PRIVATE(dir)))
 558                 return 0;
 559         return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
 560 }
 561
 562 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
 563                            struct inode *new_dir, struct dentry *new_dentry,
 564                            unsigned int flags)
 565 {
 566         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
 567             (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
 568                 return 0;
 569
 570         if (flags & RENAME_EXCHANGE) {
 571                 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
 572                                                      old_dir, old_dentry);
 573                 if (err)
 574                         return err;
 575         }
 576
 577         return call_int_hook(inode_rename, 0, old_dir, old_dentry,
 578                                            new_dir, new_dentry);
 579 }
 580
 581 int security_inode_readlink(struct dentry *dentry)
 582 {
 583         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 584                 return 0;
 585         return call_int_hook(inode_readlink, 0, dentry);
 586 }
 587
 588 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
 589                                bool rcu)
 590 {
 591         if (unlikely(IS_PRIVATE(inode)))
 592                 return 0;
 593         return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
 594 }
 595
 596 int security_inode_permission(struct inode *inode, int mask)
 597 {
 598         if (unlikely(IS_PRIVATE(inode)))
 599                 return 0;
 600         return call_int_hook(inode_permission, 0, inode, mask);
 601 }
 602
 603 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 604 {
 605         int ret;
 606
 607         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 608                 return 0;
 609         ret = call_int_hook(inode_setattr, 0, dentry, attr);
 610         if (ret)
 611                 return ret;
 612         return evm_inode_setattr(dentry, attr);
 613 }
 614 EXPORT_SYMBOL_GPL(security_inode_setattr);
 615
 616 int security_inode_getattr(const struct path *path)
 617 {
 618         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 619                 return 0;
 620         return call_int_hook(inode_getattr, 0, path);
 621 }
 622
 623 int security_inode_setxattr(struct dentry *dentry, const char *name,
 624                             const void *value, size_t size, int flags)
 625 {
 626         int ret;
 627
 628         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 629                 return 0;
 630         /*
 631          * SELinux and Smack integrate the cap call,
 632          * so assume that all LSMs supplying this call do so.
 633          */
 634         ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
 635                                 flags);
 636
 637         if (ret == 1)
 638                 ret = cap_inode_setxattr(dentry, name, value, size, flags);
 639         if (ret)
 640                 return ret;
 641         ret = ima_inode_setxattr(dentry, name, value, size);
 642         if (ret)
 643                 return ret;
 644         return evm_inode_setxattr(dentry, name, value, size);
 645 }
 646
 647 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
 648                                   const void *value, size_t size, int flags)
 649 {
 650         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 651                 return;
 652         call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
 653         evm_inode_post_setxattr(dentry, name, value, size);
 654 }
 655
 656 int security_inode_getxattr(struct dentry *dentry, const char *name)
 657 {
 658         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 659                 return 0;
 660         return call_int_hook(inode_getxattr, 0, dentry, name);
 661 }
 662
 663 int security_inode_listxattr(struct dentry *dentry)
 664 {
 665         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 666                 return 0;
 667         return call_int_hook(inode_listxattr, 0, dentry);
 668 }
 669
 670 int security_inode_removexattr(struct dentry *dentry, const char *name)
 671 {
 672         int ret;
 673
 674         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 675                 return 0;
 676         /*
 677          * SELinux and Smack integrate the cap call,
 678          * so assume that all LSMs supplying this call do so.
 679          */
 680         ret = call_int_hook(inode_removexattr, 1, dentry, name);
 681         if (ret == 1)
 682                 ret = cap_inode_removexattr(dentry, name);
 683         if (ret)
 684                 return ret;
 685         ret = ima_inode_removexattr(dentry, name);
 686         if (ret)
 687                 return ret;
 688         return evm_inode_removexattr(dentry, name);
 689 }
 690
 691 int security_inode_need_killpriv(struct dentry *dentry)
 692 {
 693         return call_int_hook(inode_need_killpriv, 0, dentry);
 694 }
 695
 696 int security_inode_killpriv(struct dentry *dentry)
 697 {
 698         return call_int_hook(inode_killpriv, 0, dentry);
 699 }
 700
 701 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
 702 {
 703         struct security_hook_list *hp;
 704         int rc;
 705
 706         if (unlikely(IS_PRIVATE(inode)))
 707                 return -EOPNOTSUPP;
 708         /*
 709          * Only one module will provide an attribute with a given name.
 710          */
 711         list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) {
 712                 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc);
 713                 if (rc != -EOPNOTSUPP)
 714                         return rc;
 715         }
 716         return -EOPNOTSUPP;
 717 }
 718
 719 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
 720 {
 721         struct security_hook_list *hp;
 722         int rc;
 723
 724         if (unlikely(IS_PRIVATE(inode)))
 725                 return -EOPNOTSUPP;
 726         /*
 727          * Only one module will provide an attribute with a given name.
 728          */
 729         list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) {
 730                 rc = hp->hook.inode_setsecurity(inode, name, value, size,
 731                                                                 flags);
 732                 if (rc != -EOPNOTSUPP)
 733                         return rc;
 734         }
 735         return -EOPNOTSUPP;
 736 }
 737
 738 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
 739 {
 740         if (unlikely(IS_PRIVATE(inode)))
 741                 return 0;
 742         return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
 743 }
 744 EXPORT_SYMBOL(security_inode_listsecurity);
 745
 746 void security_inode_getsecid(struct inode *inode, u32 *secid)
 747 {
 748         call_void_hook(inode_getsecid, inode, secid);
 749 }
 750
 751 int security_file_permission(struct file *file, int mask)
 752 {
 753         int ret;
 754
 755         ret = call_int_hook(file_permission, 0, file, mask);
 756         if (ret)
 757                 return ret;
 758
 759         return fsnotify_perm(file, mask);
 760 }
 761
 762 int security_file_alloc(struct file *file)
 763 {
 764         return call_int_hook(file_alloc_security, 0, file);
 765 }
 766
 767 void security_file_free(struct file *file)
 768 {
 769         call_void_hook(file_free_security, file);
 770 }
 771
 772 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 773 {
 774         return call_int_hook(file_ioctl, 0, file, cmd, arg);
 775 }
 776
 777 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
 778 {
 779         /*
 780          * Does we have PROT_READ and does the application expect
 781          * it to imply PROT_EXEC?  If not, nothing to talk about...
 782          */
 783         if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
 784                 return prot;
 785         if (!(current->personality & READ_IMPLIES_EXEC))
 786                 return prot;
 787         /*
 788          * if that's an anonymous mapping, let it.
 789          */
 790         if (!file)
 791                 return prot | PROT_EXEC;
 792         /*
 793          * ditto if it's not on noexec mount, except that on !MMU we need
 794          * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
 795          */
 796         if (!path_noexec(&file->f_path)) {
 797 #ifndef CONFIG_MMU
 798                 if (file->f_op->mmap_capabilities) {
 799                         unsigned caps = file->f_op->mmap_capabilities(file);
 800                         if (!(caps & NOMMU_MAP_EXEC))
 801                                 return prot;
 802                 }
 803 #endif
 804                 return prot | PROT_EXEC;
 805         }
 806         /* anything on noexec mount won't get PROT_EXEC */
 807         return prot;
 808 }
 809
 810 int security_mmap_file(struct file *file, unsigned long prot,
 811                         unsigned long flags)
 812 {
 813         int ret;
 814         ret = call_int_hook(mmap_file, 0, file, prot,
 815                                         mmap_prot(file, prot), flags);
 816         if (ret)
 817                 return ret;
 818         return ima_file_mmap(file, prot);
 819 }
 820
 821 int security_mmap_addr(unsigned long addr)
 822 {
 823         return call_int_hook(mmap_addr, 0, addr);
 824 }
 825
 826 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 827                             unsigned long prot)
 828 {
 829         return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
 830 }
 831
 832 int security_file_lock(struct file *file, unsigned int cmd)
 833 {
 834         return call_int_hook(file_lock, 0, file, cmd);
 835 }
 836
 837 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 838 {
 839         return call_int_hook(file_fcntl, 0, file, cmd, arg);
 840 }
 841
 842 void security_file_set_fowner(struct file *file)
 843 {
 844         call_void_hook(file_set_fowner, file);
 845 }
 846
 847 int security_file_send_sigiotask(struct task_struct *tsk,
 848                                   struct fown_struct *fown, int sig)
 849 {
 850         return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
 851 }
 852
 853 int security_file_receive(struct file *file)
 854 {
 855         return call_int_hook(file_receive, 0, file);
 856 }
 857
 858 int security_file_open(struct file *file, const struct cred *cred)
 859 {
 860         int ret;
 861
 862         ret = call_int_hook(file_open, 0, file, cred);
 863         if (ret)
 864                 return ret;
 865
 866         return fsnotify_perm(file, MAY_OPEN);
 867 }
 868
 869 int security_task_create(unsigned long clone_flags)
 870 {
 871         return call_int_hook(task_create, 0, clone_flags);
 872 }
 873
 874 void security_task_free(struct task_struct *task)
 875 {
 876         call_void_hook(task_free, task);
 877 }
 878
 879 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 880 {
 881         return call_int_hook(cred_alloc_blank, 0, cred, gfp);
 882 }
 883
 884 void security_cred_free(struct cred *cred)
 885 {
 886         call_void_hook(cred_free, cred);
 887 }
 888
 889 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
 890 {
 891         return call_int_hook(cred_prepare, 0, new, old, gfp);
 892 }
 893
 894 void security_transfer_creds(struct cred *new, const struct cred *old)
 895 {
 896         call_void_hook(cred_transfer, new, old);
 897 }
 898
 899 int security_kernel_act_as(struct cred *new, u32 secid)
 900 {
 901         return call_int_hook(kernel_act_as, 0, new, secid);
 902 }
 903
 904 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
 905 {
 906         return call_int_hook(kernel_create_files_as, 0, new, inode);
 907 }
 908
 909 int security_kernel_module_request(char *kmod_name)
 910 {
 911         return call_int_hook(kernel_module_request, 0, kmod_name);
 912 }
 913
 914 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id)
 915 {
 916         int ret;
 917
 918         ret = call_int_hook(kernel_read_file, 0, file, id);
 919         if (ret)
 920                 return ret;
 921         return ima_read_file(file, id);
 922 }
 923 EXPORT_SYMBOL_GPL(security_kernel_read_file);
 924
 925 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
 926                                    enum kernel_read_file_id id)
 927 {
 928         int ret;
 929
 930         ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
 931         if (ret)
 932                 return ret;
 933         return ima_post_read_file(file, buf, size, id);
 934 }
 935 EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
 936
 937 int security_task_fix_setuid(struct cred *new, const struct cred *old,
 938                              int flags)
 939 {
 940         return call_int_hook(task_fix_setuid, 0, new, old, flags);
 941 }
 942
 943 int security_task_setpgid(struct task_struct *p, pid_t pgid)
 944 {
 945         return call_int_hook(task_setpgid, 0, p, pgid);
 946 }
 947
 948 int security_task_getpgid(struct task_struct *p)
 949 {
 950         return call_int_hook(task_getpgid, 0, p);
 951 }
 952
 953 int security_task_getsid(struct task_struct *p)
 954 {
 955         return call_int_hook(task_getsid, 0, p);
 956 }
 957
 958 void security_task_getsecid(struct task_struct *p, u32 *secid)
 959 {
 960         *secid = 0;
 961         call_void_hook(task_getsecid, p, secid);
 962 }
 963 EXPORT_SYMBOL(security_task_getsecid);
 964
 965 int security_task_setnice(struct task_struct *p, int nice)
 966 {
 967         return call_int_hook(task_setnice, 0, p, nice);
 968 }
 969
 970 int security_task_setioprio(struct task_struct *p, int ioprio)
 971 {
 972         return call_int_hook(task_setioprio, 0, p, ioprio);
 973 }
 974
 975 int security_task_getioprio(struct task_struct *p)
 976 {
 977         return call_int_hook(task_getioprio, 0, p);
 978 }
 979
 980 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
 981                 struct rlimit *new_rlim)
 982 {
 983         return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
 984 }
 985
 986 int security_task_setscheduler(struct task_struct *p)
 987 {
 988         return call_int_hook(task_setscheduler, 0, p);
 989 }
 990
 991 int security_task_getscheduler(struct task_struct *p)
 992 {
 993         return call_int_hook(task_getscheduler, 0, p);
 994 }
 995
 996 int security_task_movememory(struct task_struct *p)
 997 {
 998         return call_int_hook(task_movememory, 0, p);
 999 }
1000
1001 int security_task_kill(struct task_struct *p, struct siginfo *info,
1002                         int sig, u32 secid)
1003 {
1004         return call_int_hook(task_kill, 0, p, info, sig, secid);
1005 }
1006
1007 int security_task_wait(struct task_struct *p)
1008 {
1009         return call_int_hook(task_wait, 0, p);
1010 }
1011
1012 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
1013                          unsigned long arg4, unsigned long arg5)
1014 {
1015         int thisrc;
1016         int rc = -ENOSYS;
1017         struct security_hook_list *hp;
1018
1019         list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1020                 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1021                 if (thisrc != -ENOSYS) {
1022                         rc = thisrc;
1023                         if (thisrc != 0)
1024                                 break;
1025                 }
1026         }
1027         return rc;
1028 }
1029
1030 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1031 {
1032         call_void_hook(task_to_inode, p, inode);
1033 }
1034
1035 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1036 {
1037         return call_int_hook(ipc_permission, 0, ipcp, flag);
1038 }
1039
1040 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1041 {
1042         *secid = 0;
1043         call_void_hook(ipc_getsecid, ipcp, secid);
1044 }
1045
1046 int security_msg_msg_alloc(struct msg_msg *msg)
1047 {
1048         return call_int_hook(msg_msg_alloc_security, 0, msg);
1049 }
1050
1051 void security_msg_msg_free(struct msg_msg *msg)
1052 {
1053         call_void_hook(msg_msg_free_security, msg);
1054 }
1055
1056 int security_msg_queue_alloc(struct msg_queue *msq)
1057 {
1058         return call_int_hook(msg_queue_alloc_security, 0, msq);
1059 }
1060
1061 void security_msg_queue_free(struct msg_queue *msq)
1062 {
1063         call_void_hook(msg_queue_free_security, msq);
1064 }
1065
1066 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1067 {
1068         return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1069 }
1070
1071 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1072 {
1073         return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1074 }
1075
1076 int security_msg_queue_msgsnd(struct msg_queue *msq,
1077                                struct msg_msg *msg, int msqflg)
1078 {
1079         return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1080 }
1081
1082 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1083                                struct task_struct *target, long type, int mode)
1084 {
1085         return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1086 }
1087
1088 int security_shm_alloc(struct shmid_kernel *shp)
1089 {
1090         return call_int_hook(shm_alloc_security, 0, shp);
1091 }
1092
1093 void security_shm_free(struct shmid_kernel *shp)
1094 {
1095         call_void_hook(shm_free_security, shp);
1096 }
1097
1098 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1099 {
1100         return call_int_hook(shm_associate, 0, shp, shmflg);
1101 }
1102
1103 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1104 {
1105         return call_int_hook(shm_shmctl, 0, shp, cmd);
1106 }
1107
1108 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1109 {
1110         return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1111 }
1112
1113 int security_sem_alloc(struct sem_array *sma)
1114 {
1115         return call_int_hook(sem_alloc_security, 0, sma);
1116 }
1117
1118 void security_sem_free(struct sem_array *sma)
1119 {
1120         call_void_hook(sem_free_security, sma);
1121 }
1122
1123 int security_sem_associate(struct sem_array *sma, int semflg)
1124 {
1125         return call_int_hook(sem_associate, 0, sma, semflg);
1126 }
1127
1128 int security_sem_semctl(struct sem_array *sma, int cmd)
1129 {
1130         return call_int_hook(sem_semctl, 0, sma, cmd);
1131 }
1132
1133 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1134                         unsigned nsops, int alter)
1135 {
1136         return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1137 }
1138
1139 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1140 {
1141         if (unlikely(inode && IS_PRIVATE(inode)))
1142                 return;
1143         call_void_hook(d_instantiate, dentry, inode);
1144 }
1145 EXPORT_SYMBOL(security_d_instantiate);
1146
1147 int security_getprocattr(struct task_struct *p, char *name, char **value)
1148 {
1149         return call_int_hook(getprocattr, -EINVAL, p, name, value);
1150 }
1151
1152 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1153 {
1154         return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1155 }
1156
1157 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1158 {
1159         return call_int_hook(netlink_send, 0, sk, skb);
1160 }
1161
1162 int security_ismaclabel(const char *name)
1163 {
1164         return call_int_hook(ismaclabel, 0, name);
1165 }
1166 EXPORT_SYMBOL(security_ismaclabel);
1167
1168 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1169 {
1170         return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1171                                 seclen);
1172 }
1173 EXPORT_SYMBOL(security_secid_to_secctx);
1174
1175 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1176 {
1177         *secid = 0;
1178         return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1179 }
1180 EXPORT_SYMBOL(security_secctx_to_secid);
1181
1182 void security_release_secctx(char *secdata, u32 seclen)
1183 {
1184         call_void_hook(release_secctx, secdata, seclen);
1185 }
1186 EXPORT_SYMBOL(security_release_secctx);
1187
1188 void security_inode_invalidate_secctx(struct inode *inode)
1189 {
1190         call_void_hook(inode_invalidate_secctx, inode);
1191 }
1192 EXPORT_SYMBOL(security_inode_invalidate_secctx);
1193
1194 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1195 {
1196         return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1197 }
1198 EXPORT_SYMBOL(security_inode_notifysecctx);
1199
1200 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1201 {
1202         return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1203 }
1204 EXPORT_SYMBOL(security_inode_setsecctx);
1205
1206 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1207 {
1208         return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1209 }
1210 EXPORT_SYMBOL(security_inode_getsecctx);
1211
1212 #ifdef CONFIG_SECURITY_NETWORK
1213
1214 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1215 {
1216         return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1217 }
1218 EXPORT_SYMBOL(security_unix_stream_connect);
1219
1220 int security_unix_may_send(struct socket *sock,  struct socket *other)
1221 {
1222         return call_int_hook(unix_may_send, 0, sock, other);
1223 }
1224 EXPORT_SYMBOL(security_unix_may_send);
1225
1226 int security_socket_create(int family, int type, int protocol, int kern)
1227 {
1228         return call_int_hook(socket_create, 0, family, type, protocol, kern);
1229 }
1230
1231 int security_socket_post_create(struct socket *sock, int family,
1232                                 int type, int protocol, int kern)
1233 {
1234         return call_int_hook(socket_post_create, 0, sock, family, type,
1235                                                 protocol, kern);
1236 }
1237
1238 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1239 {
1240         return call_int_hook(socket_bind, 0, sock, address, addrlen);
1241 }
1242
1243 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1244 {
1245         return call_int_hook(socket_connect, 0, sock, address, addrlen);
1246 }
1247
1248 int security_socket_listen(struct socket *sock, int backlog)
1249 {
1250         return call_int_hook(socket_listen, 0, sock, backlog);
1251 }
1252
1253 int security_socket_accept(struct socket *sock, struct socket *newsock)
1254 {
1255         return call_int_hook(socket_accept, 0, sock, newsock);
1256 }
1257
1258 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1259 {
1260         return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1261 }
1262
1263 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1264                             int size, int flags)
1265 {
1266         return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1267 }
1268
1269 int security_socket_getsockname(struct socket *sock)
1270 {
1271         return call_int_hook(socket_getsockname, 0, sock);
1272 }
1273
1274 int security_socket_getpeername(struct socket *sock)
1275 {
1276         return call_int_hook(socket_getpeername, 0, sock);
1277 }
1278
1279 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1280 {
1281         return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1282 }
1283
1284 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1285 {
1286         return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1287 }
1288
1289 int security_socket_shutdown(struct socket *sock, int how)
1290 {
1291         return call_int_hook(socket_shutdown, 0, sock, how);
1292 }
1293
1294 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1295 {
1296         return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1297 }
1298 EXPORT_SYMBOL(security_sock_rcv_skb);
1299
1300 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1301                                       int __user *optlen, unsigned len)
1302 {
1303         return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1304                                 optval, optlen, len);
1305 }
1306
1307 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1308 {
1309         return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1310                              skb, secid);
1311 }
1312 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1313
1314 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1315 {
1316         return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1317 }
1318
1319 void security_sk_free(struct sock *sk)
1320 {
1321         call_void_hook(sk_free_security, sk);
1322 }
1323
1324 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1325 {
1326         call_void_hook(sk_clone_security, sk, newsk);
1327 }
1328 EXPORT_SYMBOL(security_sk_clone);
1329
1330 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1331 {
1332         call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1333 }
1334 EXPORT_SYMBOL(security_sk_classify_flow);
1335
1336 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1337 {
1338         call_void_hook(req_classify_flow, req, fl);
1339 }
1340 EXPORT_SYMBOL(security_req_classify_flow);
1341
1342 void security_sock_graft(struct sock *sk, struct socket *parent)
1343 {
1344         call_void_hook(sock_graft, sk, parent);
1345 }
1346 EXPORT_SYMBOL(security_sock_graft);
1347
1348 int security_inet_conn_request(struct sock *sk,
1349                         struct sk_buff *skb, struct request_sock *req)
1350 {
1351         return call_int_hook(inet_conn_request, 0, sk, skb, req);
1352 }
1353 EXPORT_SYMBOL(security_inet_conn_request);
1354
1355 void security_inet_csk_clone(struct sock *newsk,
1356                         const struct request_sock *req)
1357 {
1358         call_void_hook(inet_csk_clone, newsk, req);
1359 }
1360
1361 void security_inet_conn_established(struct sock *sk,
1362                         struct sk_buff *skb)
1363 {
1364         call_void_hook(inet_conn_established, sk, skb);
1365 }
1366
1367 int security_secmark_relabel_packet(u32 secid)
1368 {
1369         return call_int_hook(secmark_relabel_packet, 0, secid);
1370 }
1371 EXPORT_SYMBOL(security_secmark_relabel_packet);
1372
1373 void security_secmark_refcount_inc(void)
1374 {
1375         call_void_hook(secmark_refcount_inc);
1376 }
1377 EXPORT_SYMBOL(security_secmark_refcount_inc);
1378
1379 void security_secmark_refcount_dec(void)
1380 {
1381         call_void_hook(secmark_refcount_dec);
1382 }
1383 EXPORT_SYMBOL(security_secmark_refcount_dec);
1384
1385 int security_tun_dev_alloc_security(void **security)
1386 {
1387         return call_int_hook(tun_dev_alloc_security, 0, security);
1388 }
1389 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1390
1391 void security_tun_dev_free_security(void *security)
1392 {
1393         call_void_hook(tun_dev_free_security, security);
1394 }
1395 EXPORT_SYMBOL(security_tun_dev_free_security);
1396
1397 int security_tun_dev_create(void)
1398 {
1399         return call_int_hook(tun_dev_create, 0);
1400 }
1401 EXPORT_SYMBOL(security_tun_dev_create);
1402
1403 int security_tun_dev_attach_queue(void *security)
1404 {
1405         return call_int_hook(tun_dev_attach_queue, 0, security);
1406 }
1407 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1408
1409 int security_tun_dev_attach(struct sock *sk, void *security)
1410 {
1411         return call_int_hook(tun_dev_attach, 0, sk, security);
1412 }
1413 EXPORT_SYMBOL(security_tun_dev_attach);
1414
1415 int security_tun_dev_open(void *security)
1416 {
1417         return call_int_hook(tun_dev_open, 0, security);
1418 }
1419 EXPORT_SYMBOL(security_tun_dev_open);
1420
1421 #endif  /* CONFIG_SECURITY_NETWORK */
1422
1423 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1424
1425 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1426                                struct xfrm_user_sec_ctx *sec_ctx,
1427                                gfp_t gfp)
1428 {
1429         return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1430 }
1431 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1432
1433 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1434                               struct xfrm_sec_ctx **new_ctxp)
1435 {
1436         return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1437 }
1438
1439 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1440 {
1441         call_void_hook(xfrm_policy_free_security, ctx);
1442 }
1443 EXPORT_SYMBOL(security_xfrm_policy_free);
1444
1445 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1446 {
1447         return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1448 }
1449
1450 int security_xfrm_state_alloc(struct xfrm_state *x,
1451                               struct xfrm_user_sec_ctx *sec_ctx)
1452 {
1453         return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1454 }
1455 EXPORT_SYMBOL(security_xfrm_state_alloc);
1456
1457 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1458                                       struct xfrm_sec_ctx *polsec, u32 secid)
1459 {
1460         return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1461 }
1462
1463 int security_xfrm_state_delete(struct xfrm_state *x)
1464 {
1465         return call_int_hook(xfrm_state_delete_security, 0, x);
1466 }
1467 EXPORT_SYMBOL(security_xfrm_state_delete);
1468
1469 void security_xfrm_state_free(struct xfrm_state *x)
1470 {
1471         call_void_hook(xfrm_state_free_security, x);
1472 }
1473
1474 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1475 {
1476         return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1477 }
1478
1479 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1480                                        struct xfrm_policy *xp,
1481                                        const struct flowi *fl)
1482 {
1483         struct security_hook_list *hp;
1484         int rc = 1;
1485
1486         /*
1487          * Since this function is expected to return 0 or 1, the judgment
1488          * becomes difficult if multiple LSMs supply this call. Fortunately,
1489          * we can use the first LSM's judgment because currently only SELinux
1490          * supplies this call.
1491          *
1492          * For speed optimization, we explicitly break the loop rather than
1493          * using the macro
1494          */
1495         list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1496                                 list) {
1497                 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1498                 break;
1499         }
1500         return rc;
1501 }
1502
1503 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1504 {
1505         return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1506 }
1507
1508 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1509 {
1510         int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1511                                 0);
1512
1513         BUG_ON(rc);
1514 }
1515 EXPORT_SYMBOL(security_skb_classify_flow);
1516
1517 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1518
1519 #ifdef CONFIG_KEYS
1520
1521 int security_key_alloc(struct key *key, const struct cred *cred,
1522                        unsigned long flags)
1523 {
1524         return call_int_hook(key_alloc, 0, key, cred, flags);
1525 }
1526
1527 void security_key_free(struct key *key)
1528 {
1529         call_void_hook(key_free, key);
1530 }
1531
1532 int security_key_permission(key_ref_t key_ref,
1533                             const struct cred *cred, unsigned perm)
1534 {
1535         return call_int_hook(key_permission, 0, key_ref, cred, perm);
1536 }
1537
1538 int security_key_getsecurity(struct key *key, char **_buffer)
1539 {
1540         *_buffer = NULL;
1541         return call_int_hook(key_getsecurity, 0, key, _buffer);
1542 }
1543
1544 #endif  /* CONFIG_KEYS */
1545
1546 #ifdef CONFIG_AUDIT
1547
1548 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1549 {
1550         return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1551 }
1552
1553 int security_audit_rule_known(struct audit_krule *krule)
1554 {
1555         return call_int_hook(audit_rule_known, 0, krule);
1556 }
1557
1558 void security_audit_rule_free(void *lsmrule)
1559 {
1560         call_void_hook(audit_rule_free, lsmrule);
1561 }
1562
1563 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1564                               struct audit_context *actx)
1565 {
1566         return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1567                                 actx);
1568 }
1569 #endif /* CONFIG_AUDIT */
1570
1571 struct security_hook_heads security_hook_heads = {
1572         .binder_set_context_mgr =
1573                 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1574         .binder_transaction =
1575                 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1576         .binder_transfer_binder =
1577                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1578         .binder_transfer_file =
1579                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1580
1581         .ptrace_access_check =
1582                 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1583         .ptrace_traceme =
1584                 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1585         .capget =       LIST_HEAD_INIT(security_hook_heads.capget),
1586         .capset =       LIST_HEAD_INIT(security_hook_heads.capset),
1587         .capable =      LIST_HEAD_INIT(security_hook_heads.capable),
1588         .quotactl =     LIST_HEAD_INIT(security_hook_heads.quotactl),
1589         .quota_on =     LIST_HEAD_INIT(security_hook_heads.quota_on),
1590         .syslog =       LIST_HEAD_INIT(security_hook_heads.syslog),
1591         .settime =      LIST_HEAD_INIT(security_hook_heads.settime),
1592         .vm_enough_memory =
1593                 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1594         .bprm_set_creds =
1595                 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1596         .bprm_check_security =
1597                 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1598         .bprm_secureexec =
1599                 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1600         .bprm_committing_creds =
1601                 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1602         .bprm_committed_creds =
1603                 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1604         .sb_alloc_security =
1605                 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1606         .sb_free_security =
1607                 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1608         .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1609         .sb_remount =   LIST_HEAD_INIT(security_hook_heads.sb_remount),
1610         .sb_kern_mount =
1611                 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1612         .sb_show_options =
1613                 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1614         .sb_statfs =    LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1615         .sb_mount =     LIST_HEAD_INIT(security_hook_heads.sb_mount),
1616         .sb_umount =    LIST_HEAD_INIT(security_hook_heads.sb_umount),
1617         .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1618         .sb_set_mnt_opts =
1619                 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1620         .sb_clone_mnt_opts =
1621                 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1622         .sb_parse_opts_str =
1623                 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1624         .dentry_init_security =
1625                 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1626 #ifdef CONFIG_SECURITY_PATH
1627         .path_unlink =  LIST_HEAD_INIT(security_hook_heads.path_unlink),
1628         .path_mkdir =   LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1629         .path_rmdir =   LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1630         .path_mknod =   LIST_HEAD_INIT(security_hook_heads.path_mknod),
1631         .path_truncate =
1632                 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1633         .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1634         .path_link =    LIST_HEAD_INIT(security_hook_heads.path_link),
1635         .path_rename =  LIST_HEAD_INIT(security_hook_heads.path_rename),
1636         .path_chmod =   LIST_HEAD_INIT(security_hook_heads.path_chmod),
1637         .path_chown =   LIST_HEAD_INIT(security_hook_heads.path_chown),
1638         .path_chroot =  LIST_HEAD_INIT(security_hook_heads.path_chroot),
1639 #endif
1640         .inode_alloc_security =
1641                 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1642         .inode_free_security =
1643                 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1644         .inode_init_security =
1645                 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1646         .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1647         .inode_link =   LIST_HEAD_INIT(security_hook_heads.inode_link),
1648         .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1649         .inode_symlink =
1650                 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1651         .inode_mkdir =  LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1652         .inode_rmdir =  LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1653         .inode_mknod =  LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1654         .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1655         .inode_readlink =
1656                 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1657         .inode_follow_link =
1658                 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1659         .inode_permission =
1660                 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1661         .inode_setattr =
1662                 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1663         .inode_getattr =
1664                 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1665         .inode_setxattr =
1666                 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1667         .inode_post_setxattr =
1668                 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1669         .inode_getxattr =
1670                 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1671         .inode_listxattr =
1672                 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1673         .inode_removexattr =
1674                 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1675         .inode_need_killpriv =
1676                 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1677         .inode_killpriv =
1678                 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1679         .inode_getsecurity =
1680                 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1681         .inode_setsecurity =
1682                 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1683         .inode_listsecurity =
1684                 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1685         .inode_getsecid =
1686                 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1687         .file_permission =
1688                 LIST_HEAD_INIT(security_hook_heads.file_permission),
1689         .file_alloc_security =
1690                 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1691         .file_free_security =
1692                 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1693         .file_ioctl =   LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1694         .mmap_addr =    LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1695         .mmap_file =    LIST_HEAD_INIT(security_hook_heads.mmap_file),
1696         .file_mprotect =
1697                 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1698         .file_lock =    LIST_HEAD_INIT(security_hook_heads.file_lock),
1699         .file_fcntl =   LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1700         .file_set_fowner =
1701                 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1702         .file_send_sigiotask =
1703                 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1704         .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1705         .file_open =    LIST_HEAD_INIT(security_hook_heads.file_open),
1706         .task_create =  LIST_HEAD_INIT(security_hook_heads.task_create),
1707         .task_free =    LIST_HEAD_INIT(security_hook_heads.task_free),
1708         .cred_alloc_blank =
1709                 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1710         .cred_free =    LIST_HEAD_INIT(security_hook_heads.cred_free),
1711         .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1712         .cred_transfer =
1713                 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1714         .kernel_act_as =
1715                 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1716         .kernel_create_files_as =
1717                 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1718         .kernel_module_request =
1719                 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1720         .kernel_read_file =
1721                 LIST_HEAD_INIT(security_hook_heads.kernel_read_file),
1722         .kernel_post_read_file =
1723                 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file),
1724         .task_fix_setuid =
1725                 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1726         .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1727         .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1728         .task_getsid =  LIST_HEAD_INIT(security_hook_heads.task_getsid),
1729         .task_getsecid =
1730                 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1731         .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1732         .task_setioprio =
1733                 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1734         .task_getioprio =
1735                 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1736         .task_setrlimit =
1737                 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1738         .task_setscheduler =
1739                 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1740         .task_getscheduler =
1741                 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1742         .task_movememory =
1743                 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1744         .task_kill =    LIST_HEAD_INIT(security_hook_heads.task_kill),
1745         .task_wait =    LIST_HEAD_INIT(security_hook_heads.task_wait),
1746         .task_prctl =   LIST_HEAD_INIT(security_hook_heads.task_prctl),
1747         .task_to_inode =
1748                 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1749         .ipc_permission =
1750                 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1751         .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1752         .msg_msg_alloc_security =
1753                 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1754         .msg_msg_free_security =
1755                 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1756         .msg_queue_alloc_security =
1757                 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1758         .msg_queue_free_security =
1759                 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1760         .msg_queue_associate =
1761                 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1762         .msg_queue_msgctl =
1763                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1764         .msg_queue_msgsnd =
1765                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1766         .msg_queue_msgrcv =
1767                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1768         .shm_alloc_security =
1769                 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1770         .shm_free_security =
1771                 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1772         .shm_associate =
1773                 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1774         .shm_shmctl =   LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1775         .shm_shmat =    LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1776         .sem_alloc_security =
1777                 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1778         .sem_free_security =
1779                 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1780         .sem_associate =
1781                 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1782         .sem_semctl =   LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1783         .sem_semop =    LIST_HEAD_INIT(security_hook_heads.sem_semop),
1784         .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1785         .d_instantiate =
1786                 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1787         .getprocattr =  LIST_HEAD_INIT(security_hook_heads.getprocattr),
1788         .setprocattr =  LIST_HEAD_INIT(security_hook_heads.setprocattr),
1789         .ismaclabel =   LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1790         .secid_to_secctx =
1791                 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1792         .secctx_to_secid =
1793                 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1794         .release_secctx =
1795                 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1796         .inode_invalidate_secctx =
1797                 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx),
1798         .inode_notifysecctx =
1799                 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1800         .inode_setsecctx =
1801                 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1802         .inode_getsecctx =
1803                 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1804 #ifdef CONFIG_SECURITY_NETWORK
1805         .unix_stream_connect =
1806                 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1807         .unix_may_send =
1808                 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1809         .socket_create =
1810                 LIST_HEAD_INIT(security_hook_heads.socket_create),
1811         .socket_post_create =
1812                 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1813         .socket_bind =  LIST_HEAD_INIT(security_hook_heads.socket_bind),
1814         .socket_connect =
1815                 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1816         .socket_listen =
1817                 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1818         .socket_accept =
1819                 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1820         .socket_sendmsg =
1821                 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1822         .socket_recvmsg =
1823                 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1824         .socket_getsockname =
1825                 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1826         .socket_getpeername =
1827                 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1828         .socket_getsockopt =
1829                 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1830         .socket_setsockopt =
1831                 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1832         .socket_shutdown =
1833                 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1834         .socket_sock_rcv_skb =
1835                 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1836         .socket_getpeersec_stream =
1837                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1838         .socket_getpeersec_dgram =
1839                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1840         .sk_alloc_security =
1841                 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1842         .sk_free_security =
1843                 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1844         .sk_clone_security =
1845                 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1846         .sk_getsecid =  LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1847         .sock_graft =   LIST_HEAD_INIT(security_hook_heads.sock_graft),
1848         .inet_conn_request =
1849                 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1850         .inet_csk_clone =
1851                 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1852         .inet_conn_established =
1853                 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1854         .secmark_relabel_packet =
1855                 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1856         .secmark_refcount_inc =
1857                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1858         .secmark_refcount_dec =
1859                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1860         .req_classify_flow =
1861                 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1862         .tun_dev_alloc_security =
1863                 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1864         .tun_dev_free_security =
1865                 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1866         .tun_dev_create =
1867                 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1868         .tun_dev_attach_queue =
1869                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1870         .tun_dev_attach =
1871                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1872         .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1873 #endif  /* CONFIG_SECURITY_NETWORK */
1874 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1875         .xfrm_policy_alloc_security =
1876                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1877         .xfrm_policy_clone_security =
1878                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1879         .xfrm_policy_free_security =
1880                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1881         .xfrm_policy_delete_security =
1882                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1883         .xfrm_state_alloc =
1884                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1885         .xfrm_state_alloc_acquire =
1886                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1887         .xfrm_state_free_security =
1888                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1889         .xfrm_state_delete_security =
1890                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1891         .xfrm_policy_lookup =
1892                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1893         .xfrm_state_pol_flow_match =
1894                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1895         .xfrm_decode_session =
1896                 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1897 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1898 #ifdef CONFIG_KEYS
1899         .key_alloc =    LIST_HEAD_INIT(security_hook_heads.key_alloc),
1900         .key_free =     LIST_HEAD_INIT(security_hook_heads.key_free),
1901         .key_permission =
1902                 LIST_HEAD_INIT(security_hook_heads.key_permission),
1903         .key_getsecurity =
1904                 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1905 #endif  /* CONFIG_KEYS */
1906 #ifdef CONFIG_AUDIT
1907         .audit_rule_init =
1908                 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1909         .audit_rule_known =
1910                 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1911         .audit_rule_match =
1912                 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1913         .audit_rule_free =
1914                 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1915 #endif /* CONFIG_AUDIT */
1916 };