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