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