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_dentry_create_files_as(struct dentry *dentry, int mode,
 368                                     struct qstr *name,
 369                                     const struct cred *old, struct cred *new)
 370 {
 371         return call_int_hook(dentry_create_files_as, 0, dentry, mode,
 372                                 name, old, new);
 373 }
 374 EXPORT_SYMBOL(security_dentry_create_files_as);
 375
 376 int security_inode_init_security(struct inode *inode, struct inode *dir,
 377                                  const struct qstr *qstr,
 378                                  const initxattrs initxattrs, void *fs_data)
 379 {
 380         struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
 381         struct xattr *lsm_xattr, *evm_xattr, *xattr;
 382         int ret;
 383
 384         if (unlikely(IS_PRIVATE(inode)))
 385                 return 0;
 386
 387         if (!initxattrs)
 388                 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
 389                                      dir, qstr, NULL, NULL, NULL);
 390         memset(new_xattrs, 0, sizeof(new_xattrs));
 391         lsm_xattr = new_xattrs;
 392         ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
 393                                                 &lsm_xattr->name,
 394                                                 &lsm_xattr->value,
 395                                                 &lsm_xattr->value_len);
 396         if (ret)
 397                 goto out;
 398
 399         evm_xattr = lsm_xattr + 1;
 400         ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
 401         if (ret)
 402                 goto out;
 403         ret = initxattrs(inode, new_xattrs, fs_data);
 404 out:
 405         for (xattr = new_xattrs; xattr->value != NULL; xattr++)
 406                 kfree(xattr->value);
 407         return (ret == -EOPNOTSUPP) ? 0 : ret;
 408 }
 409 EXPORT_SYMBOL(security_inode_init_security);
 410
 411 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
 412                                      const struct qstr *qstr, const char **name,
 413                                      void **value, size_t *len)
 414 {
 415         if (unlikely(IS_PRIVATE(inode)))
 416                 return -EOPNOTSUPP;
 417         return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
 418                              qstr, name, value, len);
 419 }
 420 EXPORT_SYMBOL(security_old_inode_init_security);
 421
 422 #ifdef CONFIG_SECURITY_PATH
 423 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
 424                         unsigned int dev)
 425 {
 426         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 427                 return 0;
 428         return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
 429 }
 430 EXPORT_SYMBOL(security_path_mknod);
 431
 432 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode)
 433 {
 434         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 435                 return 0;
 436         return call_int_hook(path_mkdir, 0, dir, dentry, mode);
 437 }
 438 EXPORT_SYMBOL(security_path_mkdir);
 439
 440 int security_path_rmdir(const struct path *dir, struct dentry *dentry)
 441 {
 442         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 443                 return 0;
 444         return call_int_hook(path_rmdir, 0, dir, dentry);
 445 }
 446
 447 int security_path_unlink(const struct path *dir, struct dentry *dentry)
 448 {
 449         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 450                 return 0;
 451         return call_int_hook(path_unlink, 0, dir, dentry);
 452 }
 453 EXPORT_SYMBOL(security_path_unlink);
 454
 455 int security_path_symlink(const struct path *dir, struct dentry *dentry,
 456                           const char *old_name)
 457 {
 458         if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
 459                 return 0;
 460         return call_int_hook(path_symlink, 0, dir, dentry, old_name);
 461 }
 462
 463 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
 464                        struct dentry *new_dentry)
 465 {
 466         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
 467                 return 0;
 468         return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
 469 }
 470
 471 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
 472                          const struct path *new_dir, struct dentry *new_dentry,
 473                          unsigned int flags)
 474 {
 475         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
 476                      (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
 477                 return 0;
 478
 479         if (flags & RENAME_EXCHANGE) {
 480                 int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
 481                                         old_dir, old_dentry);
 482                 if (err)
 483                         return err;
 484         }
 485
 486         return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
 487                                 new_dentry);
 488 }
 489 EXPORT_SYMBOL(security_path_rename);
 490
 491 int security_path_truncate(const struct path *path)
 492 {
 493         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 494                 return 0;
 495         return call_int_hook(path_truncate, 0, path);
 496 }
 497
 498 int security_path_chmod(const struct path *path, umode_t mode)
 499 {
 500         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 501                 return 0;
 502         return call_int_hook(path_chmod, 0, path, mode);
 503 }
 504
 505 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
 506 {
 507         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 508                 return 0;
 509         return call_int_hook(path_chown, 0, path, uid, gid);
 510 }
 511
 512 int security_path_chroot(const struct path *path)
 513 {
 514         return call_int_hook(path_chroot, 0, path);
 515 }
 516 #endif
 517
 518 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
 519 {
 520         if (unlikely(IS_PRIVATE(dir)))
 521                 return 0;
 522         return call_int_hook(inode_create, 0, dir, dentry, mode);
 523 }
 524 EXPORT_SYMBOL_GPL(security_inode_create);
 525
 526 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
 527                          struct dentry *new_dentry)
 528 {
 529         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
 530                 return 0;
 531         return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
 532 }
 533
 534 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
 535 {
 536         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 537                 return 0;
 538         return call_int_hook(inode_unlink, 0, dir, dentry);
 539 }
 540
 541 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
 542                             const char *old_name)
 543 {
 544         if (unlikely(IS_PRIVATE(dir)))
 545                 return 0;
 546         return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
 547 }
 548
 549 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 550 {
 551         if (unlikely(IS_PRIVATE(dir)))
 552                 return 0;
 553         return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
 554 }
 555 EXPORT_SYMBOL_GPL(security_inode_mkdir);
 556
 557 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
 558 {
 559         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 560                 return 0;
 561         return call_int_hook(inode_rmdir, 0, dir, dentry);
 562 }
 563
 564 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 565 {
 566         if (unlikely(IS_PRIVATE(dir)))
 567                 return 0;
 568         return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
 569 }
 570
 571 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
 572                            struct inode *new_dir, struct dentry *new_dentry,
 573                            unsigned int flags)
 574 {
 575         if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
 576             (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
 577                 return 0;
 578
 579         if (flags & RENAME_EXCHANGE) {
 580                 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
 581                                                      old_dir, old_dentry);
 582                 if (err)
 583                         return err;
 584         }
 585
 586         return call_int_hook(inode_rename, 0, old_dir, old_dentry,
 587                                            new_dir, new_dentry);
 588 }
 589
 590 int security_inode_readlink(struct dentry *dentry)
 591 {
 592         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 593                 return 0;
 594         return call_int_hook(inode_readlink, 0, dentry);
 595 }
 596
 597 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
 598                                bool rcu)
 599 {
 600         if (unlikely(IS_PRIVATE(inode)))
 601                 return 0;
 602         return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
 603 }
 604
 605 int security_inode_permission(struct inode *inode, int mask)
 606 {
 607         if (unlikely(IS_PRIVATE(inode)))
 608                 return 0;
 609         return call_int_hook(inode_permission, 0, inode, mask);
 610 }
 611
 612 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 613 {
 614         int ret;
 615
 616         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 617                 return 0;
 618         ret = call_int_hook(inode_setattr, 0, dentry, attr);
 619         if (ret)
 620                 return ret;
 621         return evm_inode_setattr(dentry, attr);
 622 }
 623 EXPORT_SYMBOL_GPL(security_inode_setattr);
 624
 625 int security_inode_getattr(const struct path *path)
 626 {
 627         if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 628                 return 0;
 629         return call_int_hook(inode_getattr, 0, path);
 630 }
 631
 632 int security_inode_setxattr(struct dentry *dentry, const char *name,
 633                             const void *value, size_t size, int flags)
 634 {
 635         int ret;
 636
 637         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 638                 return 0;
 639         /*
 640          * SELinux and Smack integrate the cap call,
 641          * so assume that all LSMs supplying this call do so.
 642          */
 643         ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
 644                                 flags);
 645
 646         if (ret == 1)
 647                 ret = cap_inode_setxattr(dentry, name, value, size, flags);
 648         if (ret)
 649                 return ret;
 650         ret = ima_inode_setxattr(dentry, name, value, size);
 651         if (ret)
 652                 return ret;
 653         return evm_inode_setxattr(dentry, name, value, size);
 654 }
 655
 656 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
 657                                   const void *value, size_t size, int flags)
 658 {
 659         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 660                 return;
 661         call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
 662         evm_inode_post_setxattr(dentry, name, value, size);
 663 }
 664
 665 int security_inode_getxattr(struct dentry *dentry, const char *name)
 666 {
 667         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 668                 return 0;
 669         return call_int_hook(inode_getxattr, 0, dentry, name);
 670 }
 671
 672 int security_inode_listxattr(struct dentry *dentry)
 673 {
 674         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 675                 return 0;
 676         return call_int_hook(inode_listxattr, 0, dentry);
 677 }
 678
 679 int security_inode_removexattr(struct dentry *dentry, const char *name)
 680 {
 681         int ret;
 682
 683         if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 684                 return 0;
 685         /*
 686          * SELinux and Smack integrate the cap call,
 687          * so assume that all LSMs supplying this call do so.
 688          */
 689         ret = call_int_hook(inode_removexattr, 1, dentry, name);
 690         if (ret == 1)
 691                 ret = cap_inode_removexattr(dentry, name);
 692         if (ret)
 693                 return ret;
 694         ret = ima_inode_removexattr(dentry, name);
 695         if (ret)
 696                 return ret;
 697         return evm_inode_removexattr(dentry, name);
 698 }
 699
 700 int security_inode_need_killpriv(struct dentry *dentry)
 701 {
 702         return call_int_hook(inode_need_killpriv, 0, dentry);
 703 }
 704
 705 int security_inode_killpriv(struct dentry *dentry)
 706 {
 707         return call_int_hook(inode_killpriv, 0, dentry);
 708 }
 709
 710 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
 711 {
 712         struct security_hook_list *hp;
 713         int rc;
 714
 715         if (unlikely(IS_PRIVATE(inode)))
 716                 return -EOPNOTSUPP;
 717         /*
 718          * Only one module will provide an attribute with a given name.
 719          */
 720         list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) {
 721                 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc);
 722                 if (rc != -EOPNOTSUPP)
 723                         return rc;
 724         }
 725         return -EOPNOTSUPP;
 726 }
 727
 728 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
 729 {
 730         struct security_hook_list *hp;
 731         int rc;
 732
 733         if (unlikely(IS_PRIVATE(inode)))
 734                 return -EOPNOTSUPP;
 735         /*
 736          * Only one module will provide an attribute with a given name.
 737          */
 738         list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) {
 739                 rc = hp->hook.inode_setsecurity(inode, name, value, size,
 740                                                                 flags);
 741                 if (rc != -EOPNOTSUPP)
 742                         return rc;
 743         }
 744         return -EOPNOTSUPP;
 745 }
 746
 747 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
 748 {
 749         if (unlikely(IS_PRIVATE(inode)))
 750                 return 0;
 751         return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
 752 }
 753 EXPORT_SYMBOL(security_inode_listsecurity);
 754
 755 void security_inode_getsecid(struct inode *inode, u32 *secid)
 756 {
 757         call_void_hook(inode_getsecid, inode, secid);
 758 }
 759
 760 int security_inode_copy_up(struct dentry *src, struct cred **new)
 761 {
 762         return call_int_hook(inode_copy_up, 0, src, new);
 763 }
 764 EXPORT_SYMBOL(security_inode_copy_up);
 765
 766 int security_inode_copy_up_xattr(const char *name)
 767 {
 768         return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name);
 769 }
 770 EXPORT_SYMBOL(security_inode_copy_up_xattr);
 771
 772 int security_file_permission(struct file *file, int mask)
 773 {
 774         int ret;
 775
 776         ret = call_int_hook(file_permission, 0, file, mask);
 777         if (ret)
 778                 return ret;
 779
 780         return fsnotify_perm(file, mask);
 781 }
 782
 783 int security_file_alloc(struct file *file)
 784 {
 785         return call_int_hook(file_alloc_security, 0, file);
 786 }
 787
 788 void security_file_free(struct file *file)
 789 {
 790         call_void_hook(file_free_security, file);
 791 }
 792
 793 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 794 {
 795         return call_int_hook(file_ioctl, 0, file, cmd, arg);
 796 }
 797
 798 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
 799 {
 800         /*
 801          * Does we have PROT_READ and does the application expect
 802          * it to imply PROT_EXEC?  If not, nothing to talk about...
 803          */
 804         if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
 805                 return prot;
 806         if (!(current->personality & READ_IMPLIES_EXEC))
 807                 return prot;
 808         /*
 809          * if that's an anonymous mapping, let it.
 810          */
 811         if (!file)
 812                 return prot | PROT_EXEC;
 813         /*
 814          * ditto if it's not on noexec mount, except that on !MMU we need
 815          * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
 816          */
 817         if (!path_noexec(&file->f_path)) {
 818 #ifndef CONFIG_MMU
 819                 if (file->f_op->mmap_capabilities) {
 820                         unsigned caps = file->f_op->mmap_capabilities(file);
 821                         if (!(caps & NOMMU_MAP_EXEC))
 822                                 return prot;
 823                 }
 824 #endif
 825                 return prot | PROT_EXEC;
 826         }
 827         /* anything on noexec mount won't get PROT_EXEC */
 828         return prot;
 829 }
 830
 831 int security_mmap_file(struct file *file, unsigned long prot,
 832                         unsigned long flags)
 833 {
 834         int ret;
 835         ret = call_int_hook(mmap_file, 0, file, prot,
 836                                         mmap_prot(file, prot), flags);
 837         if (ret)
 838                 return ret;
 839         return ima_file_mmap(file, prot);
 840 }
 841
 842 int security_mmap_addr(unsigned long addr)
 843 {
 844         return call_int_hook(mmap_addr, 0, addr);
 845 }
 846
 847 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 848                             unsigned long prot)
 849 {
 850         return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
 851 }
 852
 853 int security_file_lock(struct file *file, unsigned int cmd)
 854 {
 855         return call_int_hook(file_lock, 0, file, cmd);
 856 }
 857
 858 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 859 {
 860         return call_int_hook(file_fcntl, 0, file, cmd, arg);
 861 }
 862
 863 void security_file_set_fowner(struct file *file)
 864 {
 865         call_void_hook(file_set_fowner, file);
 866 }
 867
 868 int security_file_send_sigiotask(struct task_struct *tsk,
 869                                   struct fown_struct *fown, int sig)
 870 {
 871         return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
 872 }
 873
 874 int security_file_receive(struct file *file)
 875 {
 876         return call_int_hook(file_receive, 0, file);
 877 }
 878
 879 int security_file_open(struct file *file, const struct cred *cred)
 880 {
 881         int ret;
 882
 883         ret = call_int_hook(file_open, 0, file, cred);
 884         if (ret)
 885                 return ret;
 886
 887         return fsnotify_perm(file, MAY_OPEN);
 888 }
 889
 890 int security_task_create(unsigned long clone_flags)
 891 {
 892         return call_int_hook(task_create, 0, clone_flags);
 893 }
 894
 895 void security_task_free(struct task_struct *task)
 896 {
 897         call_void_hook(task_free, task);
 898 }
 899
 900 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 901 {
 902         return call_int_hook(cred_alloc_blank, 0, cred, gfp);
 903 }
 904
 905 void security_cred_free(struct cred *cred)
 906 {
 907         call_void_hook(cred_free, cred);
 908 }
 909
 910 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
 911 {
 912         return call_int_hook(cred_prepare, 0, new, old, gfp);
 913 }
 914
 915 void security_transfer_creds(struct cred *new, const struct cred *old)
 916 {
 917         call_void_hook(cred_transfer, new, old);
 918 }
 919
 920 int security_kernel_act_as(struct cred *new, u32 secid)
 921 {
 922         return call_int_hook(kernel_act_as, 0, new, secid);
 923 }
 924
 925 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
 926 {
 927         return call_int_hook(kernel_create_files_as, 0, new, inode);
 928 }
 929
 930 int security_kernel_module_request(char *kmod_name)
 931 {
 932         return call_int_hook(kernel_module_request, 0, kmod_name);
 933 }
 934
 935 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id)
 936 {
 937         int ret;
 938
 939         ret = call_int_hook(kernel_read_file, 0, file, id);
 940         if (ret)
 941                 return ret;
 942         return ima_read_file(file, id);
 943 }
 944 EXPORT_SYMBOL_GPL(security_kernel_read_file);
 945
 946 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
 947                                    enum kernel_read_file_id id)
 948 {
 949         int ret;
 950
 951         ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id);
 952         if (ret)
 953                 return ret;
 954         return ima_post_read_file(file, buf, size, id);
 955 }
 956 EXPORT_SYMBOL_GPL(security_kernel_post_read_file);
 957
 958 int security_task_fix_setuid(struct cred *new, const struct cred *old,
 959                              int flags)
 960 {
 961         return call_int_hook(task_fix_setuid, 0, new, old, flags);
 962 }
 963
 964 int security_task_setpgid(struct task_struct *p, pid_t pgid)
 965 {
 966         return call_int_hook(task_setpgid, 0, p, pgid);
 967 }
 968
 969 int security_task_getpgid(struct task_struct *p)
 970 {
 971         return call_int_hook(task_getpgid, 0, p);
 972 }
 973
 974 int security_task_getsid(struct task_struct *p)
 975 {
 976         return call_int_hook(task_getsid, 0, p);
 977 }
 978
 979 void security_task_getsecid(struct task_struct *p, u32 *secid)
 980 {
 981         *secid = 0;
 982         call_void_hook(task_getsecid, p, secid);
 983 }
 984 EXPORT_SYMBOL(security_task_getsecid);
 985
 986 int security_task_setnice(struct task_struct *p, int nice)
 987 {
 988         return call_int_hook(task_setnice, 0, p, nice);
 989 }
 990
 991 int security_task_setioprio(struct task_struct *p, int ioprio)
 992 {
 993         return call_int_hook(task_setioprio, 0, p, ioprio);
 994 }
 995
 996 int security_task_getioprio(struct task_struct *p)
 997 {
 998         return call_int_hook(task_getioprio, 0, p);
 999 }
1000
1001 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
1002                 struct rlimit *new_rlim)
1003 {
1004         return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
1005 }
1006
1007 int security_task_setscheduler(struct task_struct *p)
1008 {
1009         return call_int_hook(task_setscheduler, 0, p);
1010 }
1011
1012 int security_task_getscheduler(struct task_struct *p)
1013 {
1014         return call_int_hook(task_getscheduler, 0, p);
1015 }
1016
1017 int security_task_movememory(struct task_struct *p)
1018 {
1019         return call_int_hook(task_movememory, 0, p);
1020 }
1021
1022 int security_task_kill(struct task_struct *p, struct siginfo *info,
1023                         int sig, u32 secid)
1024 {
1025         return call_int_hook(task_kill, 0, p, info, sig, secid);
1026 }
1027
1028 int security_task_wait(struct task_struct *p)
1029 {
1030         return call_int_hook(task_wait, 0, p);
1031 }
1032
1033 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
1034                          unsigned long arg4, unsigned long arg5)
1035 {
1036         int thisrc;
1037         int rc = -ENOSYS;
1038         struct security_hook_list *hp;
1039
1040         list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
1041                 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
1042                 if (thisrc != -ENOSYS) {
1043                         rc = thisrc;
1044                         if (thisrc != 0)
1045                                 break;
1046                 }
1047         }
1048         return rc;
1049 }
1050
1051 void security_task_to_inode(struct task_struct *p, struct inode *inode)
1052 {
1053         call_void_hook(task_to_inode, p, inode);
1054 }
1055
1056 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
1057 {
1058         return call_int_hook(ipc_permission, 0, ipcp, flag);
1059 }
1060
1061 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1062 {
1063         *secid = 0;
1064         call_void_hook(ipc_getsecid, ipcp, secid);
1065 }
1066
1067 int security_msg_msg_alloc(struct msg_msg *msg)
1068 {
1069         return call_int_hook(msg_msg_alloc_security, 0, msg);
1070 }
1071
1072 void security_msg_msg_free(struct msg_msg *msg)
1073 {
1074         call_void_hook(msg_msg_free_security, msg);
1075 }
1076
1077 int security_msg_queue_alloc(struct msg_queue *msq)
1078 {
1079         return call_int_hook(msg_queue_alloc_security, 0, msq);
1080 }
1081
1082 void security_msg_queue_free(struct msg_queue *msq)
1083 {
1084         call_void_hook(msg_queue_free_security, msq);
1085 }
1086
1087 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
1088 {
1089         return call_int_hook(msg_queue_associate, 0, msq, msqflg);
1090 }
1091
1092 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1093 {
1094         return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
1095 }
1096
1097 int security_msg_queue_msgsnd(struct msg_queue *msq,
1098                                struct msg_msg *msg, int msqflg)
1099 {
1100         return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
1101 }
1102
1103 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
1104                                struct task_struct *target, long type, int mode)
1105 {
1106         return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
1107 }
1108
1109 int security_shm_alloc(struct shmid_kernel *shp)
1110 {
1111         return call_int_hook(shm_alloc_security, 0, shp);
1112 }
1113
1114 void security_shm_free(struct shmid_kernel *shp)
1115 {
1116         call_void_hook(shm_free_security, shp);
1117 }
1118
1119 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
1120 {
1121         return call_int_hook(shm_associate, 0, shp, shmflg);
1122 }
1123
1124 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1125 {
1126         return call_int_hook(shm_shmctl, 0, shp, cmd);
1127 }
1128
1129 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
1130 {
1131         return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
1132 }
1133
1134 int security_sem_alloc(struct sem_array *sma)
1135 {
1136         return call_int_hook(sem_alloc_security, 0, sma);
1137 }
1138
1139 void security_sem_free(struct sem_array *sma)
1140 {
1141         call_void_hook(sem_free_security, sma);
1142 }
1143
1144 int security_sem_associate(struct sem_array *sma, int semflg)
1145 {
1146         return call_int_hook(sem_associate, 0, sma, semflg);
1147 }
1148
1149 int security_sem_semctl(struct sem_array *sma, int cmd)
1150 {
1151         return call_int_hook(sem_semctl, 0, sma, cmd);
1152 }
1153
1154 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
1155                         unsigned nsops, int alter)
1156 {
1157         return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
1158 }
1159
1160 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1161 {
1162         if (unlikely(inode && IS_PRIVATE(inode)))
1163                 return;
1164         call_void_hook(d_instantiate, dentry, inode);
1165 }
1166 EXPORT_SYMBOL(security_d_instantiate);
1167
1168 int security_getprocattr(struct task_struct *p, char *name, char **value)
1169 {
1170         return call_int_hook(getprocattr, -EINVAL, p, name, value);
1171 }
1172
1173 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1174 {
1175         return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
1176 }
1177
1178 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1179 {
1180         return call_int_hook(netlink_send, 0, sk, skb);
1181 }
1182
1183 int security_ismaclabel(const char *name)
1184 {
1185         return call_int_hook(ismaclabel, 0, name);
1186 }
1187 EXPORT_SYMBOL(security_ismaclabel);
1188
1189 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1190 {
1191         return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
1192                                 seclen);
1193 }
1194 EXPORT_SYMBOL(security_secid_to_secctx);
1195
1196 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1197 {
1198         *secid = 0;
1199         return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
1200 }
1201 EXPORT_SYMBOL(security_secctx_to_secid);
1202
1203 void security_release_secctx(char *secdata, u32 seclen)
1204 {
1205         call_void_hook(release_secctx, secdata, seclen);
1206 }
1207 EXPORT_SYMBOL(security_release_secctx);
1208
1209 void security_inode_invalidate_secctx(struct inode *inode)
1210 {
1211         call_void_hook(inode_invalidate_secctx, inode);
1212 }
1213 EXPORT_SYMBOL(security_inode_invalidate_secctx);
1214
1215 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1216 {
1217         return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
1218 }
1219 EXPORT_SYMBOL(security_inode_notifysecctx);
1220
1221 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1222 {
1223         return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
1224 }
1225 EXPORT_SYMBOL(security_inode_setsecctx);
1226
1227 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1228 {
1229         return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
1230 }
1231 EXPORT_SYMBOL(security_inode_getsecctx);
1232
1233 #ifdef CONFIG_SECURITY_NETWORK
1234
1235 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1236 {
1237         return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
1238 }
1239 EXPORT_SYMBOL(security_unix_stream_connect);
1240
1241 int security_unix_may_send(struct socket *sock,  struct socket *other)
1242 {
1243         return call_int_hook(unix_may_send, 0, sock, other);
1244 }
1245 EXPORT_SYMBOL(security_unix_may_send);
1246
1247 int security_socket_create(int family, int type, int protocol, int kern)
1248 {
1249         return call_int_hook(socket_create, 0, family, type, protocol, kern);
1250 }
1251
1252 int security_socket_post_create(struct socket *sock, int family,
1253                                 int type, int protocol, int kern)
1254 {
1255         return call_int_hook(socket_post_create, 0, sock, family, type,
1256                                                 protocol, kern);
1257 }
1258
1259 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1260 {
1261         return call_int_hook(socket_bind, 0, sock, address, addrlen);
1262 }
1263
1264 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1265 {
1266         return call_int_hook(socket_connect, 0, sock, address, addrlen);
1267 }
1268
1269 int security_socket_listen(struct socket *sock, int backlog)
1270 {
1271         return call_int_hook(socket_listen, 0, sock, backlog);
1272 }
1273
1274 int security_socket_accept(struct socket *sock, struct socket *newsock)
1275 {
1276         return call_int_hook(socket_accept, 0, sock, newsock);
1277 }
1278
1279 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1280 {
1281         return call_int_hook(socket_sendmsg, 0, sock, msg, size);
1282 }
1283
1284 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1285                             int size, int flags)
1286 {
1287         return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
1288 }
1289
1290 int security_socket_getsockname(struct socket *sock)
1291 {
1292         return call_int_hook(socket_getsockname, 0, sock);
1293 }
1294
1295 int security_socket_getpeername(struct socket *sock)
1296 {
1297         return call_int_hook(socket_getpeername, 0, sock);
1298 }
1299
1300 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1301 {
1302         return call_int_hook(socket_getsockopt, 0, sock, level, optname);
1303 }
1304
1305 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1306 {
1307         return call_int_hook(socket_setsockopt, 0, sock, level, optname);
1308 }
1309
1310 int security_socket_shutdown(struct socket *sock, int how)
1311 {
1312         return call_int_hook(socket_shutdown, 0, sock, how);
1313 }
1314
1315 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1316 {
1317         return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
1318 }
1319 EXPORT_SYMBOL(security_sock_rcv_skb);
1320
1321 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1322                                       int __user *optlen, unsigned len)
1323 {
1324         return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
1325                                 optval, optlen, len);
1326 }
1327
1328 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1329 {
1330         return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
1331                              skb, secid);
1332 }
1333 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1334
1335 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1336 {
1337         return call_int_hook(sk_alloc_security, 0, sk, family, priority);
1338 }
1339
1340 void security_sk_free(struct sock *sk)
1341 {
1342         call_void_hook(sk_free_security, sk);
1343 }
1344
1345 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1346 {
1347         call_void_hook(sk_clone_security, sk, newsk);
1348 }
1349 EXPORT_SYMBOL(security_sk_clone);
1350
1351 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1352 {
1353         call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
1354 }
1355 EXPORT_SYMBOL(security_sk_classify_flow);
1356
1357 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1358 {
1359         call_void_hook(req_classify_flow, req, fl);
1360 }
1361 EXPORT_SYMBOL(security_req_classify_flow);
1362
1363 void security_sock_graft(struct sock *sk, struct socket *parent)
1364 {
1365         call_void_hook(sock_graft, sk, parent);
1366 }
1367 EXPORT_SYMBOL(security_sock_graft);
1368
1369 int security_inet_conn_request(struct sock *sk,
1370                         struct sk_buff *skb, struct request_sock *req)
1371 {
1372         return call_int_hook(inet_conn_request, 0, sk, skb, req);
1373 }
1374 EXPORT_SYMBOL(security_inet_conn_request);
1375
1376 void security_inet_csk_clone(struct sock *newsk,
1377                         const struct request_sock *req)
1378 {
1379         call_void_hook(inet_csk_clone, newsk, req);
1380 }
1381
1382 void security_inet_conn_established(struct sock *sk,
1383                         struct sk_buff *skb)
1384 {
1385         call_void_hook(inet_conn_established, sk, skb);
1386 }
1387
1388 int security_secmark_relabel_packet(u32 secid)
1389 {
1390         return call_int_hook(secmark_relabel_packet, 0, secid);
1391 }
1392 EXPORT_SYMBOL(security_secmark_relabel_packet);
1393
1394 void security_secmark_refcount_inc(void)
1395 {
1396         call_void_hook(secmark_refcount_inc);
1397 }
1398 EXPORT_SYMBOL(security_secmark_refcount_inc);
1399
1400 void security_secmark_refcount_dec(void)
1401 {
1402         call_void_hook(secmark_refcount_dec);
1403 }
1404 EXPORT_SYMBOL(security_secmark_refcount_dec);
1405
1406 int security_tun_dev_alloc_security(void **security)
1407 {
1408         return call_int_hook(tun_dev_alloc_security, 0, security);
1409 }
1410 EXPORT_SYMBOL(security_tun_dev_alloc_security);
1411
1412 void security_tun_dev_free_security(void *security)
1413 {
1414         call_void_hook(tun_dev_free_security, security);
1415 }
1416 EXPORT_SYMBOL(security_tun_dev_free_security);
1417
1418 int security_tun_dev_create(void)
1419 {
1420         return call_int_hook(tun_dev_create, 0);
1421 }
1422 EXPORT_SYMBOL(security_tun_dev_create);
1423
1424 int security_tun_dev_attach_queue(void *security)
1425 {
1426         return call_int_hook(tun_dev_attach_queue, 0, security);
1427 }
1428 EXPORT_SYMBOL(security_tun_dev_attach_queue);
1429
1430 int security_tun_dev_attach(struct sock *sk, void *security)
1431 {
1432         return call_int_hook(tun_dev_attach, 0, sk, security);
1433 }
1434 EXPORT_SYMBOL(security_tun_dev_attach);
1435
1436 int security_tun_dev_open(void *security)
1437 {
1438         return call_int_hook(tun_dev_open, 0, security);
1439 }
1440 EXPORT_SYMBOL(security_tun_dev_open);
1441
1442 #endif  /* CONFIG_SECURITY_NETWORK */
1443
1444 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1445
1446 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1447                                struct xfrm_user_sec_ctx *sec_ctx,
1448                                gfp_t gfp)
1449 {
1450         return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
1451 }
1452 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1453
1454 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1455                               struct xfrm_sec_ctx **new_ctxp)
1456 {
1457         return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
1458 }
1459
1460 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1461 {
1462         call_void_hook(xfrm_policy_free_security, ctx);
1463 }
1464 EXPORT_SYMBOL(security_xfrm_policy_free);
1465
1466 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1467 {
1468         return call_int_hook(xfrm_policy_delete_security, 0, ctx);
1469 }
1470
1471 int security_xfrm_state_alloc(struct xfrm_state *x,
1472                               struct xfrm_user_sec_ctx *sec_ctx)
1473 {
1474         return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
1475 }
1476 EXPORT_SYMBOL(security_xfrm_state_alloc);
1477
1478 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1479                                       struct xfrm_sec_ctx *polsec, u32 secid)
1480 {
1481         return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
1482 }
1483
1484 int security_xfrm_state_delete(struct xfrm_state *x)
1485 {
1486         return call_int_hook(xfrm_state_delete_security, 0, x);
1487 }
1488 EXPORT_SYMBOL(security_xfrm_state_delete);
1489
1490 void security_xfrm_state_free(struct xfrm_state *x)
1491 {
1492         call_void_hook(xfrm_state_free_security, x);
1493 }
1494
1495 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1496 {
1497         return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
1498 }
1499
1500 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1501                                        struct xfrm_policy *xp,
1502                                        const struct flowi *fl)
1503 {
1504         struct security_hook_list *hp;
1505         int rc = 1;
1506
1507         /*
1508          * Since this function is expected to return 0 or 1, the judgment
1509          * becomes difficult if multiple LSMs supply this call. Fortunately,
1510          * we can use the first LSM's judgment because currently only SELinux
1511          * supplies this call.
1512          *
1513          * For speed optimization, we explicitly break the loop rather than
1514          * using the macro
1515          */
1516         list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
1517                                 list) {
1518                 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
1519                 break;
1520         }
1521         return rc;
1522 }
1523
1524 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1525 {
1526         return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
1527 }
1528
1529 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1530 {
1531         int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
1532                                 0);
1533
1534         BUG_ON(rc);
1535 }
1536 EXPORT_SYMBOL(security_skb_classify_flow);
1537
1538 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1539
1540 #ifdef CONFIG_KEYS
1541
1542 int security_key_alloc(struct key *key, const struct cred *cred,
1543                        unsigned long flags)
1544 {
1545         return call_int_hook(key_alloc, 0, key, cred, flags);
1546 }
1547
1548 void security_key_free(struct key *key)
1549 {
1550         call_void_hook(key_free, key);
1551 }
1552
1553 int security_key_permission(key_ref_t key_ref,
1554                             const struct cred *cred, unsigned perm)
1555 {
1556         return call_int_hook(key_permission, 0, key_ref, cred, perm);
1557 }
1558
1559 int security_key_getsecurity(struct key *key, char **_buffer)
1560 {
1561         *_buffer = NULL;
1562         return call_int_hook(key_getsecurity, 0, key, _buffer);
1563 }
1564
1565 #endif  /* CONFIG_KEYS */
1566
1567 #ifdef CONFIG_AUDIT
1568
1569 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1570 {
1571         return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
1572 }
1573
1574 int security_audit_rule_known(struct audit_krule *krule)
1575 {
1576         return call_int_hook(audit_rule_known, 0, krule);
1577 }
1578
1579 void security_audit_rule_free(void *lsmrule)
1580 {
1581         call_void_hook(audit_rule_free, lsmrule);
1582 }
1583
1584 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1585                               struct audit_context *actx)
1586 {
1587         return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
1588                                 actx);
1589 }
1590 #endif /* CONFIG_AUDIT */
1591
1592 struct security_hook_heads security_hook_heads = {
1593         .binder_set_context_mgr =
1594                 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
1595         .binder_transaction =
1596                 LIST_HEAD_INIT(security_hook_heads.binder_transaction),
1597         .binder_transfer_binder =
1598                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
1599         .binder_transfer_file =
1600                 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
1601
1602         .ptrace_access_check =
1603                 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
1604         .ptrace_traceme =
1605                 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
1606         .capget =       LIST_HEAD_INIT(security_hook_heads.capget),
1607         .capset =       LIST_HEAD_INIT(security_hook_heads.capset),
1608         .capable =      LIST_HEAD_INIT(security_hook_heads.capable),
1609         .quotactl =     LIST_HEAD_INIT(security_hook_heads.quotactl),
1610         .quota_on =     LIST_HEAD_INIT(security_hook_heads.quota_on),
1611         .syslog =       LIST_HEAD_INIT(security_hook_heads.syslog),
1612         .settime =      LIST_HEAD_INIT(security_hook_heads.settime),
1613         .vm_enough_memory =
1614                 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
1615         .bprm_set_creds =
1616                 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
1617         .bprm_check_security =
1618                 LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
1619         .bprm_secureexec =
1620                 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
1621         .bprm_committing_creds =
1622                 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
1623         .bprm_committed_creds =
1624                 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
1625         .sb_alloc_security =
1626                 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
1627         .sb_free_security =
1628                 LIST_HEAD_INIT(security_hook_heads.sb_free_security),
1629         .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
1630         .sb_remount =   LIST_HEAD_INIT(security_hook_heads.sb_remount),
1631         .sb_kern_mount =
1632                 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
1633         .sb_show_options =
1634                 LIST_HEAD_INIT(security_hook_heads.sb_show_options),
1635         .sb_statfs =    LIST_HEAD_INIT(security_hook_heads.sb_statfs),
1636         .sb_mount =     LIST_HEAD_INIT(security_hook_heads.sb_mount),
1637         .sb_umount =    LIST_HEAD_INIT(security_hook_heads.sb_umount),
1638         .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
1639         .sb_set_mnt_opts =
1640                 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
1641         .sb_clone_mnt_opts =
1642                 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
1643         .sb_parse_opts_str =
1644                 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
1645         .dentry_init_security =
1646                 LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
1647         .dentry_create_files_as =
1648                 LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as),
1649 #ifdef CONFIG_SECURITY_PATH
1650         .path_unlink =  LIST_HEAD_INIT(security_hook_heads.path_unlink),
1651         .path_mkdir =   LIST_HEAD_INIT(security_hook_heads.path_mkdir),
1652         .path_rmdir =   LIST_HEAD_INIT(security_hook_heads.path_rmdir),
1653         .path_mknod =   LIST_HEAD_INIT(security_hook_heads.path_mknod),
1654         .path_truncate =
1655                 LIST_HEAD_INIT(security_hook_heads.path_truncate),
1656         .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
1657         .path_link =    LIST_HEAD_INIT(security_hook_heads.path_link),
1658         .path_rename =  LIST_HEAD_INIT(security_hook_heads.path_rename),
1659         .path_chmod =   LIST_HEAD_INIT(security_hook_heads.path_chmod),
1660         .path_chown =   LIST_HEAD_INIT(security_hook_heads.path_chown),
1661         .path_chroot =  LIST_HEAD_INIT(security_hook_heads.path_chroot),
1662 #endif
1663         .inode_alloc_security =
1664                 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
1665         .inode_free_security =
1666                 LIST_HEAD_INIT(security_hook_heads.inode_free_security),
1667         .inode_init_security =
1668                 LIST_HEAD_INIT(security_hook_heads.inode_init_security),
1669         .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
1670         .inode_link =   LIST_HEAD_INIT(security_hook_heads.inode_link),
1671         .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
1672         .inode_symlink =
1673                 LIST_HEAD_INIT(security_hook_heads.inode_symlink),
1674         .inode_mkdir =  LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
1675         .inode_rmdir =  LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
1676         .inode_mknod =  LIST_HEAD_INIT(security_hook_heads.inode_mknod),
1677         .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
1678         .inode_readlink =
1679                 LIST_HEAD_INIT(security_hook_heads.inode_readlink),
1680         .inode_follow_link =
1681                 LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
1682         .inode_permission =
1683                 LIST_HEAD_INIT(security_hook_heads.inode_permission),
1684         .inode_setattr =
1685                 LIST_HEAD_INIT(security_hook_heads.inode_setattr),
1686         .inode_getattr =
1687                 LIST_HEAD_INIT(security_hook_heads.inode_getattr),
1688         .inode_setxattr =
1689                 LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
1690         .inode_post_setxattr =
1691                 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
1692         .inode_getxattr =
1693                 LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
1694         .inode_listxattr =
1695                 LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
1696         .inode_removexattr =
1697                 LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
1698         .inode_need_killpriv =
1699                 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
1700         .inode_killpriv =
1701                 LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
1702         .inode_getsecurity =
1703                 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
1704         .inode_setsecurity =
1705                 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
1706         .inode_listsecurity =
1707                 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
1708         .inode_getsecid =
1709                 LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
1710         .inode_copy_up =
1711                 LIST_HEAD_INIT(security_hook_heads.inode_copy_up),
1712         .inode_copy_up_xattr =
1713                 LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr),
1714         .file_permission =
1715                 LIST_HEAD_INIT(security_hook_heads.file_permission),
1716         .file_alloc_security =
1717                 LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
1718         .file_free_security =
1719                 LIST_HEAD_INIT(security_hook_heads.file_free_security),
1720         .file_ioctl =   LIST_HEAD_INIT(security_hook_heads.file_ioctl),
1721         .mmap_addr =    LIST_HEAD_INIT(security_hook_heads.mmap_addr),
1722         .mmap_file =    LIST_HEAD_INIT(security_hook_heads.mmap_file),
1723         .file_mprotect =
1724                 LIST_HEAD_INIT(security_hook_heads.file_mprotect),
1725         .file_lock =    LIST_HEAD_INIT(security_hook_heads.file_lock),
1726         .file_fcntl =   LIST_HEAD_INIT(security_hook_heads.file_fcntl),
1727         .file_set_fowner =
1728                 LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
1729         .file_send_sigiotask =
1730                 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
1731         .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
1732         .file_open =    LIST_HEAD_INIT(security_hook_heads.file_open),
1733         .task_create =  LIST_HEAD_INIT(security_hook_heads.task_create),
1734         .task_free =    LIST_HEAD_INIT(security_hook_heads.task_free),
1735         .cred_alloc_blank =
1736                 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
1737         .cred_free =    LIST_HEAD_INIT(security_hook_heads.cred_free),
1738         .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
1739         .cred_transfer =
1740                 LIST_HEAD_INIT(security_hook_heads.cred_transfer),
1741         .kernel_act_as =
1742                 LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
1743         .kernel_create_files_as =
1744                 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
1745         .kernel_module_request =
1746                 LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
1747         .kernel_read_file =
1748                 LIST_HEAD_INIT(security_hook_heads.kernel_read_file),
1749         .kernel_post_read_file =
1750                 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file),
1751         .task_fix_setuid =
1752                 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
1753         .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
1754         .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
1755         .task_getsid =  LIST_HEAD_INIT(security_hook_heads.task_getsid),
1756         .task_getsecid =
1757                 LIST_HEAD_INIT(security_hook_heads.task_getsecid),
1758         .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
1759         .task_setioprio =
1760                 LIST_HEAD_INIT(security_hook_heads.task_setioprio),
1761         .task_getioprio =
1762                 LIST_HEAD_INIT(security_hook_heads.task_getioprio),
1763         .task_setrlimit =
1764                 LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
1765         .task_setscheduler =
1766                 LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
1767         .task_getscheduler =
1768                 LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
1769         .task_movememory =
1770                 LIST_HEAD_INIT(security_hook_heads.task_movememory),
1771         .task_kill =    LIST_HEAD_INIT(security_hook_heads.task_kill),
1772         .task_wait =    LIST_HEAD_INIT(security_hook_heads.task_wait),
1773         .task_prctl =   LIST_HEAD_INIT(security_hook_heads.task_prctl),
1774         .task_to_inode =
1775                 LIST_HEAD_INIT(security_hook_heads.task_to_inode),
1776         .ipc_permission =
1777                 LIST_HEAD_INIT(security_hook_heads.ipc_permission),
1778         .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
1779         .msg_msg_alloc_security =
1780                 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
1781         .msg_msg_free_security =
1782                 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
1783         .msg_queue_alloc_security =
1784                 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
1785         .msg_queue_free_security =
1786                 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
1787         .msg_queue_associate =
1788                 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
1789         .msg_queue_msgctl =
1790                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
1791         .msg_queue_msgsnd =
1792                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
1793         .msg_queue_msgrcv =
1794                 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
1795         .shm_alloc_security =
1796                 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
1797         .shm_free_security =
1798                 LIST_HEAD_INIT(security_hook_heads.shm_free_security),
1799         .shm_associate =
1800                 LIST_HEAD_INIT(security_hook_heads.shm_associate),
1801         .shm_shmctl =   LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
1802         .shm_shmat =    LIST_HEAD_INIT(security_hook_heads.shm_shmat),
1803         .sem_alloc_security =
1804                 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
1805         .sem_free_security =
1806                 LIST_HEAD_INIT(security_hook_heads.sem_free_security),
1807         .sem_associate =
1808                 LIST_HEAD_INIT(security_hook_heads.sem_associate),
1809         .sem_semctl =   LIST_HEAD_INIT(security_hook_heads.sem_semctl),
1810         .sem_semop =    LIST_HEAD_INIT(security_hook_heads.sem_semop),
1811         .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
1812         .d_instantiate =
1813                 LIST_HEAD_INIT(security_hook_heads.d_instantiate),
1814         .getprocattr =  LIST_HEAD_INIT(security_hook_heads.getprocattr),
1815         .setprocattr =  LIST_HEAD_INIT(security_hook_heads.setprocattr),
1816         .ismaclabel =   LIST_HEAD_INIT(security_hook_heads.ismaclabel),
1817         .secid_to_secctx =
1818                 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
1819         .secctx_to_secid =
1820                 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
1821         .release_secctx =
1822                 LIST_HEAD_INIT(security_hook_heads.release_secctx),
1823         .inode_invalidate_secctx =
1824                 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx),
1825         .inode_notifysecctx =
1826                 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
1827         .inode_setsecctx =
1828                 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
1829         .inode_getsecctx =
1830                 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
1831 #ifdef CONFIG_SECURITY_NETWORK
1832         .unix_stream_connect =
1833                 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
1834         .unix_may_send =
1835                 LIST_HEAD_INIT(security_hook_heads.unix_may_send),
1836         .socket_create =
1837                 LIST_HEAD_INIT(security_hook_heads.socket_create),
1838         .socket_post_create =
1839                 LIST_HEAD_INIT(security_hook_heads.socket_post_create),
1840         .socket_bind =  LIST_HEAD_INIT(security_hook_heads.socket_bind),
1841         .socket_connect =
1842                 LIST_HEAD_INIT(security_hook_heads.socket_connect),
1843         .socket_listen =
1844                 LIST_HEAD_INIT(security_hook_heads.socket_listen),
1845         .socket_accept =
1846                 LIST_HEAD_INIT(security_hook_heads.socket_accept),
1847         .socket_sendmsg =
1848                 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
1849         .socket_recvmsg =
1850                 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
1851         .socket_getsockname =
1852                 LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
1853         .socket_getpeername =
1854                 LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
1855         .socket_getsockopt =
1856                 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
1857         .socket_setsockopt =
1858                 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
1859         .socket_shutdown =
1860                 LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
1861         .socket_sock_rcv_skb =
1862                 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
1863         .socket_getpeersec_stream =
1864                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
1865         .socket_getpeersec_dgram =
1866                 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
1867         .sk_alloc_security =
1868                 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
1869         .sk_free_security =
1870                 LIST_HEAD_INIT(security_hook_heads.sk_free_security),
1871         .sk_clone_security =
1872                 LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
1873         .sk_getsecid =  LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
1874         .sock_graft =   LIST_HEAD_INIT(security_hook_heads.sock_graft),
1875         .inet_conn_request =
1876                 LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
1877         .inet_csk_clone =
1878                 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
1879         .inet_conn_established =
1880                 LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
1881         .secmark_relabel_packet =
1882                 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
1883         .secmark_refcount_inc =
1884                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
1885         .secmark_refcount_dec =
1886                 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
1887         .req_classify_flow =
1888                 LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
1889         .tun_dev_alloc_security =
1890                 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
1891         .tun_dev_free_security =
1892                 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
1893         .tun_dev_create =
1894                 LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
1895         .tun_dev_attach_queue =
1896                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
1897         .tun_dev_attach =
1898                 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
1899         .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
1900 #endif  /* CONFIG_SECURITY_NETWORK */
1901 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1902         .xfrm_policy_alloc_security =
1903                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
1904         .xfrm_policy_clone_security =
1905                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
1906         .xfrm_policy_free_security =
1907                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
1908         .xfrm_policy_delete_security =
1909                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
1910         .xfrm_state_alloc =
1911                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
1912         .xfrm_state_alloc_acquire =
1913                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
1914         .xfrm_state_free_security =
1915                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
1916         .xfrm_state_delete_security =
1917                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
1918         .xfrm_policy_lookup =
1919                 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
1920         .xfrm_state_pol_flow_match =
1921                 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
1922         .xfrm_decode_session =
1923                 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
1924 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1925 #ifdef CONFIG_KEYS
1926         .key_alloc =    LIST_HEAD_INIT(security_hook_heads.key_alloc),
1927         .key_free =     LIST_HEAD_INIT(security_hook_heads.key_free),
1928         .key_permission =
1929                 LIST_HEAD_INIT(security_hook_heads.key_permission),
1930         .key_getsecurity =
1931                 LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
1932 #endif  /* CONFIG_KEYS */
1933 #ifdef CONFIG_AUDIT
1934         .audit_rule_init =
1935                 LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
1936         .audit_rule_known =
1937                 LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
1938         .audit_rule_match =
1939                 LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
1940         .audit_rule_free =
1941                 LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
1942 #endif /* CONFIG_AUDIT */
1943 };