1 /* 2 * Security plug functions 3 * 4 * Copyright (C) 2001 WireX Communications, Inc <[email protected]> 5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <[email protected]> 6 * Copyright (C) 2001 Networks Associates Technology, Inc <[email protected]> 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 nameidata *nd) 593 { 594 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 595 return 0; 596 return call_int_hook(inode_follow_link, 0, dentry, nd); 597 } 598 599 int security_inode_permission(struct inode *inode, int mask) 600 { 601 if (unlikely(IS_PRIVATE(inode))) 602 return 0; 603 return call_int_hook(inode_permission, 0, inode, mask); 604 } 605 606 int security_inode_setattr(struct dentry *dentry, struct iattr *attr) 607 { 608 int ret; 609 610 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 611 return 0; 612 ret = call_int_hook(inode_setattr, 0, dentry, attr); 613 if (ret) 614 return ret; 615 return evm_inode_setattr(dentry, attr); 616 } 617 EXPORT_SYMBOL_GPL(security_inode_setattr); 618 619 int security_inode_getattr(const struct path *path) 620 { 621 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 622 return 0; 623 return call_int_hook(inode_getattr, 0, path); 624 } 625 626 int security_inode_setxattr(struct dentry *dentry, const char *name, 627 const void *value, size_t size, int flags) 628 { 629 int ret; 630 631 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 632 return 0; 633 /* 634 * SELinux and Smack integrate the cap call, 635 * so assume that all LSMs supplying this call do so. 636 */ 637 ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, 638 flags); 639 640 if (ret == 1) 641 ret = cap_inode_setxattr(dentry, name, value, size, flags); 642 if (ret) 643 return ret; 644 ret = ima_inode_setxattr(dentry, name, value, size); 645 if (ret) 646 return ret; 647 return evm_inode_setxattr(dentry, name, value, size); 648 } 649 650 void security_inode_post_setxattr(struct dentry *dentry, const char *name, 651 const void *value, size_t size, int flags) 652 { 653 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 654 return; 655 call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); 656 evm_inode_post_setxattr(dentry, name, value, size); 657 } 658 659 int security_inode_getxattr(struct dentry *dentry, const char *name) 660 { 661 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 662 return 0; 663 return call_int_hook(inode_getxattr, 0, dentry, name); 664 } 665 666 int security_inode_listxattr(struct dentry *dentry) 667 { 668 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 669 return 0; 670 return call_int_hook(inode_listxattr, 0, dentry); 671 } 672 673 int security_inode_removexattr(struct dentry *dentry, const char *name) 674 { 675 int ret; 676 677 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 678 return 0; 679 /* 680 * SELinux and Smack integrate the cap call, 681 * so assume that all LSMs supplying this call do so. 682 */ 683 ret = call_int_hook(inode_removexattr, 1, dentry, name); 684 if (ret == 1) 685 ret = cap_inode_removexattr(dentry, name); 686 if (ret) 687 return ret; 688 ret = ima_inode_removexattr(dentry, name); 689 if (ret) 690 return ret; 691 return evm_inode_removexattr(dentry, name); 692 } 693 694 int security_inode_need_killpriv(struct dentry *dentry) 695 { 696 return call_int_hook(inode_need_killpriv, 0, dentry); 697 } 698 699 int security_inode_killpriv(struct dentry *dentry) 700 { 701 return call_int_hook(inode_killpriv, 0, dentry); 702 } 703 704 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) 705 { 706 if (unlikely(IS_PRIVATE(inode))) 707 return -EOPNOTSUPP; 708 return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name, 709 buffer, alloc); 710 } 711 712 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) 713 { 714 if (unlikely(IS_PRIVATE(inode))) 715 return -EOPNOTSUPP; 716 return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name, 717 value, size, flags); 718 } 719 720 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) 721 { 722 if (unlikely(IS_PRIVATE(inode))) 723 return 0; 724 return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); 725 } 726 EXPORT_SYMBOL(security_inode_listsecurity); 727 728 void security_inode_getsecid(const struct inode *inode, u32 *secid) 729 { 730 call_void_hook(inode_getsecid, inode, secid); 731 } 732 733 int security_file_permission(struct file *file, int mask) 734 { 735 int ret; 736 737 ret = call_int_hook(file_permission, 0, file, mask); 738 if (ret) 739 return ret; 740 741 return fsnotify_perm(file, mask); 742 } 743 744 int security_file_alloc(struct file *file) 745 { 746 return call_int_hook(file_alloc_security, 0, file); 747 } 748 749 void security_file_free(struct file *file) 750 { 751 call_void_hook(file_free_security, file); 752 } 753 754 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 755 { 756 return call_int_hook(file_ioctl, 0, file, cmd, arg); 757 } 758 759 static inline unsigned long mmap_prot(struct file *file, unsigned long prot) 760 { 761 /* 762 * Does we have PROT_READ and does the application expect 763 * it to imply PROT_EXEC? If not, nothing to talk about... 764 */ 765 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) 766 return prot; 767 if (!(current->personality & READ_IMPLIES_EXEC)) 768 return prot; 769 /* 770 * if that's an anonymous mapping, let it. 771 */ 772 if (!file) 773 return prot | PROT_EXEC; 774 /* 775 * ditto if it's not on noexec mount, except that on !MMU we need 776 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case 777 */ 778 if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { 779 #ifndef CONFIG_MMU 780 if (file->f_op->mmap_capabilities) { 781 unsigned caps = file->f_op->mmap_capabilities(file); 782 if (!(caps & NOMMU_MAP_EXEC)) 783 return prot; 784 } 785 #endif 786 return prot | PROT_EXEC; 787 } 788 /* anything on noexec mount won't get PROT_EXEC */ 789 return prot; 790 } 791 792 int security_mmap_file(struct file *file, unsigned long prot, 793 unsigned long flags) 794 { 795 int ret; 796 ret = call_int_hook(mmap_file, 0, file, prot, 797 mmap_prot(file, prot), flags); 798 if (ret) 799 return ret; 800 return ima_file_mmap(file, prot); 801 } 802 803 int security_mmap_addr(unsigned long addr) 804 { 805 return call_int_hook(mmap_addr, 0, addr); 806 } 807 808 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, 809 unsigned long prot) 810 { 811 return call_int_hook(file_mprotect, 0, vma, reqprot, prot); 812 } 813 814 int security_file_lock(struct file *file, unsigned int cmd) 815 { 816 return call_int_hook(file_lock, 0, file, cmd); 817 } 818 819 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) 820 { 821 return call_int_hook(file_fcntl, 0, file, cmd, arg); 822 } 823 824 void security_file_set_fowner(struct file *file) 825 { 826 call_void_hook(file_set_fowner, file); 827 } 828 829 int security_file_send_sigiotask(struct task_struct *tsk, 830 struct fown_struct *fown, int sig) 831 { 832 return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); 833 } 834 835 int security_file_receive(struct file *file) 836 { 837 return call_int_hook(file_receive, 0, file); 838 } 839 840 int security_file_open(struct file *file, const struct cred *cred) 841 { 842 int ret; 843 844 ret = call_int_hook(file_open, 0, file, cred); 845 if (ret) 846 return ret; 847 848 return fsnotify_perm(file, MAY_OPEN); 849 } 850 851 int security_task_create(unsigned long clone_flags) 852 { 853 return call_int_hook(task_create, 0, clone_flags); 854 } 855 856 void security_task_free(struct task_struct *task) 857 { 858 call_void_hook(task_free, task); 859 } 860 861 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) 862 { 863 return call_int_hook(cred_alloc_blank, 0, cred, gfp); 864 } 865 866 void security_cred_free(struct cred *cred) 867 { 868 call_void_hook(cred_free, cred); 869 } 870 871 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) 872 { 873 return call_int_hook(cred_prepare, 0, new, old, gfp); 874 } 875 876 void security_transfer_creds(struct cred *new, const struct cred *old) 877 { 878 call_void_hook(cred_transfer, new, old); 879 } 880 881 int security_kernel_act_as(struct cred *new, u32 secid) 882 { 883 return call_int_hook(kernel_act_as, 0, new, secid); 884 } 885 886 int security_kernel_create_files_as(struct cred *new, struct inode *inode) 887 { 888 return call_int_hook(kernel_create_files_as, 0, new, inode); 889 } 890 891 int security_kernel_fw_from_file(struct file *file, char *buf, size_t size) 892 { 893 int ret; 894 895 ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size); 896 if (ret) 897 return ret; 898 return ima_fw_from_file(file, buf, size); 899 } 900 EXPORT_SYMBOL_GPL(security_kernel_fw_from_file); 901 902 int security_kernel_module_request(char *kmod_name) 903 { 904 return call_int_hook(kernel_module_request, 0, kmod_name); 905 } 906 907 int security_kernel_module_from_file(struct file *file) 908 { 909 int ret; 910 911 ret = call_int_hook(kernel_module_from_file, 0, file); 912 if (ret) 913 return ret; 914 return ima_module_check(file); 915 } 916 917 int security_task_fix_setuid(struct cred *new, const struct cred *old, 918 int flags) 919 { 920 return call_int_hook(task_fix_setuid, 0, new, old, flags); 921 } 922 923 int security_task_setpgid(struct task_struct *p, pid_t pgid) 924 { 925 return call_int_hook(task_setpgid, 0, p, pgid); 926 } 927 928 int security_task_getpgid(struct task_struct *p) 929 { 930 return call_int_hook(task_getpgid, 0, p); 931 } 932 933 int security_task_getsid(struct task_struct *p) 934 { 935 return call_int_hook(task_getsid, 0, p); 936 } 937 938 void security_task_getsecid(struct task_struct *p, u32 *secid) 939 { 940 *secid = 0; 941 call_void_hook(task_getsecid, p, secid); 942 } 943 EXPORT_SYMBOL(security_task_getsecid); 944 945 int security_task_setnice(struct task_struct *p, int nice) 946 { 947 return call_int_hook(task_setnice, 0, p, nice); 948 } 949 950 int security_task_setioprio(struct task_struct *p, int ioprio) 951 { 952 return call_int_hook(task_setioprio, 0, p, ioprio); 953 } 954 955 int security_task_getioprio(struct task_struct *p) 956 { 957 return call_int_hook(task_getioprio, 0, p); 958 } 959 960 int security_task_setrlimit(struct task_struct *p, unsigned int resource, 961 struct rlimit *new_rlim) 962 { 963 return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); 964 } 965 966 int security_task_setscheduler(struct task_struct *p) 967 { 968 return call_int_hook(task_setscheduler, 0, p); 969 } 970 971 int security_task_getscheduler(struct task_struct *p) 972 { 973 return call_int_hook(task_getscheduler, 0, p); 974 } 975 976 int security_task_movememory(struct task_struct *p) 977 { 978 return call_int_hook(task_movememory, 0, p); 979 } 980 981 int security_task_kill(struct task_struct *p, struct siginfo *info, 982 int sig, u32 secid) 983 { 984 return call_int_hook(task_kill, 0, p, info, sig, secid); 985 } 986 987 int security_task_wait(struct task_struct *p) 988 { 989 return call_int_hook(task_wait, 0, p); 990 } 991 992 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, 993 unsigned long arg4, unsigned long arg5) 994 { 995 int thisrc; 996 int rc = -ENOSYS; 997 struct security_hook_list *hp; 998 999 list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { 1000 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); 1001 if (thisrc != -ENOSYS) { 1002 rc = thisrc; 1003 if (thisrc != 0) 1004 break; 1005 } 1006 } 1007 return rc; 1008 } 1009 1010 void security_task_to_inode(struct task_struct *p, struct inode *inode) 1011 { 1012 call_void_hook(task_to_inode, p, inode); 1013 } 1014 1015 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) 1016 { 1017 return call_int_hook(ipc_permission, 0, ipcp, flag); 1018 } 1019 1020 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) 1021 { 1022 *secid = 0; 1023 call_void_hook(ipc_getsecid, ipcp, secid); 1024 } 1025 1026 int security_msg_msg_alloc(struct msg_msg *msg) 1027 { 1028 return call_int_hook(msg_msg_alloc_security, 0, msg); 1029 } 1030 1031 void security_msg_msg_free(struct msg_msg *msg) 1032 { 1033 call_void_hook(msg_msg_free_security, msg); 1034 } 1035 1036 int security_msg_queue_alloc(struct msg_queue *msq) 1037 { 1038 return call_int_hook(msg_queue_alloc_security, 0, msq); 1039 } 1040 1041 void security_msg_queue_free(struct msg_queue *msq) 1042 { 1043 call_void_hook(msg_queue_free_security, msq); 1044 } 1045 1046 int security_msg_queue_associate(struct msg_queue *msq, int msqflg) 1047 { 1048 return call_int_hook(msg_queue_associate, 0, msq, msqflg); 1049 } 1050 1051 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) 1052 { 1053 return call_int_hook(msg_queue_msgctl, 0, msq, cmd); 1054 } 1055 1056 int security_msg_queue_msgsnd(struct msg_queue *msq, 1057 struct msg_msg *msg, int msqflg) 1058 { 1059 return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); 1060 } 1061 1062 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, 1063 struct task_struct *target, long type, int mode) 1064 { 1065 return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); 1066 } 1067 1068 int security_shm_alloc(struct shmid_kernel *shp) 1069 { 1070 return call_int_hook(shm_alloc_security, 0, shp); 1071 } 1072 1073 void security_shm_free(struct shmid_kernel *shp) 1074 { 1075 call_void_hook(shm_free_security, shp); 1076 } 1077 1078 int security_shm_associate(struct shmid_kernel *shp, int shmflg) 1079 { 1080 return call_int_hook(shm_associate, 0, shp, shmflg); 1081 } 1082 1083 int security_shm_shmctl(struct shmid_kernel *shp, int cmd) 1084 { 1085 return call_int_hook(shm_shmctl, 0, shp, cmd); 1086 } 1087 1088 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) 1089 { 1090 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); 1091 } 1092 1093 int security_sem_alloc(struct sem_array *sma) 1094 { 1095 return call_int_hook(sem_alloc_security, 0, sma); 1096 } 1097 1098 void security_sem_free(struct sem_array *sma) 1099 { 1100 call_void_hook(sem_free_security, sma); 1101 } 1102 1103 int security_sem_associate(struct sem_array *sma, int semflg) 1104 { 1105 return call_int_hook(sem_associate, 0, sma, semflg); 1106 } 1107 1108 int security_sem_semctl(struct sem_array *sma, int cmd) 1109 { 1110 return call_int_hook(sem_semctl, 0, sma, cmd); 1111 } 1112 1113 int security_sem_semop(struct sem_array *sma, struct sembuf *sops, 1114 unsigned nsops, int alter) 1115 { 1116 return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); 1117 } 1118 1119 void security_d_instantiate(struct dentry *dentry, struct inode *inode) 1120 { 1121 if (unlikely(inode && IS_PRIVATE(inode))) 1122 return; 1123 call_void_hook(d_instantiate, dentry, inode); 1124 } 1125 EXPORT_SYMBOL(security_d_instantiate); 1126 1127 int security_getprocattr(struct task_struct *p, char *name, char **value) 1128 { 1129 return call_int_hook(getprocattr, -EINVAL, p, name, value); 1130 } 1131 1132 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) 1133 { 1134 return call_int_hook(setprocattr, -EINVAL, p, name, value, size); 1135 } 1136 1137 int security_netlink_send(struct sock *sk, struct sk_buff *skb) 1138 { 1139 return call_int_hook(netlink_send, 0, sk, skb); 1140 } 1141 1142 int security_ismaclabel(const char *name) 1143 { 1144 return call_int_hook(ismaclabel, 0, name); 1145 } 1146 EXPORT_SYMBOL(security_ismaclabel); 1147 1148 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) 1149 { 1150 return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, 1151 seclen); 1152 } 1153 EXPORT_SYMBOL(security_secid_to_secctx); 1154 1155 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) 1156 { 1157 *secid = 0; 1158 return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); 1159 } 1160 EXPORT_SYMBOL(security_secctx_to_secid); 1161 1162 void security_release_secctx(char *secdata, u32 seclen) 1163 { 1164 call_void_hook(release_secctx, secdata, seclen); 1165 } 1166 EXPORT_SYMBOL(security_release_secctx); 1167 1168 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) 1169 { 1170 return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); 1171 } 1172 EXPORT_SYMBOL(security_inode_notifysecctx); 1173 1174 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) 1175 { 1176 return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); 1177 } 1178 EXPORT_SYMBOL(security_inode_setsecctx); 1179 1180 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) 1181 { 1182 return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); 1183 } 1184 EXPORT_SYMBOL(security_inode_getsecctx); 1185 1186 #ifdef CONFIG_SECURITY_NETWORK 1187 1188 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) 1189 { 1190 return call_int_hook(unix_stream_connect, 0, sock, other, newsk); 1191 } 1192 EXPORT_SYMBOL(security_unix_stream_connect); 1193 1194 int security_unix_may_send(struct socket *sock, struct socket *other) 1195 { 1196 return call_int_hook(unix_may_send, 0, sock, other); 1197 } 1198 EXPORT_SYMBOL(security_unix_may_send); 1199 1200 int security_socket_create(int family, int type, int protocol, int kern) 1201 { 1202 return call_int_hook(socket_create, 0, family, type, protocol, kern); 1203 } 1204 1205 int security_socket_post_create(struct socket *sock, int family, 1206 int type, int protocol, int kern) 1207 { 1208 return call_int_hook(socket_post_create, 0, sock, family, type, 1209 protocol, kern); 1210 } 1211 1212 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) 1213 { 1214 return call_int_hook(socket_bind, 0, sock, address, addrlen); 1215 } 1216 1217 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) 1218 { 1219 return call_int_hook(socket_connect, 0, sock, address, addrlen); 1220 } 1221 1222 int security_socket_listen(struct socket *sock, int backlog) 1223 { 1224 return call_int_hook(socket_listen, 0, sock, backlog); 1225 } 1226 1227 int security_socket_accept(struct socket *sock, struct socket *newsock) 1228 { 1229 return call_int_hook(socket_accept, 0, sock, newsock); 1230 } 1231 1232 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) 1233 { 1234 return call_int_hook(socket_sendmsg, 0, sock, msg, size); 1235 } 1236 1237 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, 1238 int size, int flags) 1239 { 1240 return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); 1241 } 1242 1243 int security_socket_getsockname(struct socket *sock) 1244 { 1245 return call_int_hook(socket_getsockname, 0, sock); 1246 } 1247 1248 int security_socket_getpeername(struct socket *sock) 1249 { 1250 return call_int_hook(socket_getpeername, 0, sock); 1251 } 1252 1253 int security_socket_getsockopt(struct socket *sock, int level, int optname) 1254 { 1255 return call_int_hook(socket_getsockopt, 0, sock, level, optname); 1256 } 1257 1258 int security_socket_setsockopt(struct socket *sock, int level, int optname) 1259 { 1260 return call_int_hook(socket_setsockopt, 0, sock, level, optname); 1261 } 1262 1263 int security_socket_shutdown(struct socket *sock, int how) 1264 { 1265 return call_int_hook(socket_shutdown, 0, sock, how); 1266 } 1267 1268 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) 1269 { 1270 return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); 1271 } 1272 EXPORT_SYMBOL(security_sock_rcv_skb); 1273 1274 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, 1275 int __user *optlen, unsigned len) 1276 { 1277 return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, 1278 optval, optlen, len); 1279 } 1280 1281 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) 1282 { 1283 return call_int_hook(socket_getpeersec_dgram, 0, sock, skb, secid); 1284 } 1285 EXPORT_SYMBOL(security_socket_getpeersec_dgram); 1286 1287 int security_sk_alloc(struct sock *sk, int family, gfp_t priority) 1288 { 1289 return call_int_hook(sk_alloc_security, 0, sk, family, priority); 1290 } 1291 1292 void security_sk_free(struct sock *sk) 1293 { 1294 call_void_hook(sk_free_security, sk); 1295 } 1296 1297 void security_sk_clone(const struct sock *sk, struct sock *newsk) 1298 { 1299 call_void_hook(sk_clone_security, sk, newsk); 1300 } 1301 EXPORT_SYMBOL(security_sk_clone); 1302 1303 void security_sk_classify_flow(struct sock *sk, struct flowi *fl) 1304 { 1305 call_void_hook(sk_getsecid, sk, &fl->flowi_secid); 1306 } 1307 EXPORT_SYMBOL(security_sk_classify_flow); 1308 1309 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) 1310 { 1311 call_void_hook(req_classify_flow, req, fl); 1312 } 1313 EXPORT_SYMBOL(security_req_classify_flow); 1314 1315 void security_sock_graft(struct sock *sk, struct socket *parent) 1316 { 1317 call_void_hook(sock_graft, sk, parent); 1318 } 1319 EXPORT_SYMBOL(security_sock_graft); 1320 1321 int security_inet_conn_request(struct sock *sk, 1322 struct sk_buff *skb, struct request_sock *req) 1323 { 1324 return call_int_hook(inet_conn_request, 0, sk, skb, req); 1325 } 1326 EXPORT_SYMBOL(security_inet_conn_request); 1327 1328 void security_inet_csk_clone(struct sock *newsk, 1329 const struct request_sock *req) 1330 { 1331 call_void_hook(inet_csk_clone, newsk, req); 1332 } 1333 1334 void security_inet_conn_established(struct sock *sk, 1335 struct sk_buff *skb) 1336 { 1337 call_void_hook(inet_conn_established, sk, skb); 1338 } 1339 1340 int security_secmark_relabel_packet(u32 secid) 1341 { 1342 return call_int_hook(secmark_relabel_packet, 0, secid); 1343 } 1344 EXPORT_SYMBOL(security_secmark_relabel_packet); 1345 1346 void security_secmark_refcount_inc(void) 1347 { 1348 call_void_hook(secmark_refcount_inc); 1349 } 1350 EXPORT_SYMBOL(security_secmark_refcount_inc); 1351 1352 void security_secmark_refcount_dec(void) 1353 { 1354 call_void_hook(secmark_refcount_dec); 1355 } 1356 EXPORT_SYMBOL(security_secmark_refcount_dec); 1357 1358 int security_tun_dev_alloc_security(void **security) 1359 { 1360 return call_int_hook(tun_dev_alloc_security, 0, security); 1361 } 1362 EXPORT_SYMBOL(security_tun_dev_alloc_security); 1363 1364 void security_tun_dev_free_security(void *security) 1365 { 1366 call_void_hook(tun_dev_free_security, security); 1367 } 1368 EXPORT_SYMBOL(security_tun_dev_free_security); 1369 1370 int security_tun_dev_create(void) 1371 { 1372 return call_int_hook(tun_dev_create, 0); 1373 } 1374 EXPORT_SYMBOL(security_tun_dev_create); 1375 1376 int security_tun_dev_attach_queue(void *security) 1377 { 1378 return call_int_hook(tun_dev_attach_queue, 0, security); 1379 } 1380 EXPORT_SYMBOL(security_tun_dev_attach_queue); 1381 1382 int security_tun_dev_attach(struct sock *sk, void *security) 1383 { 1384 return call_int_hook(tun_dev_attach, 0, sk, security); 1385 } 1386 EXPORT_SYMBOL(security_tun_dev_attach); 1387 1388 int security_tun_dev_open(void *security) 1389 { 1390 return call_int_hook(tun_dev_open, 0, security); 1391 } 1392 EXPORT_SYMBOL(security_tun_dev_open); 1393 1394 #endif /* CONFIG_SECURITY_NETWORK */ 1395 1396 #ifdef CONFIG_SECURITY_NETWORK_XFRM 1397 1398 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, 1399 struct xfrm_user_sec_ctx *sec_ctx, 1400 gfp_t gfp) 1401 { 1402 return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); 1403 } 1404 EXPORT_SYMBOL(security_xfrm_policy_alloc); 1405 1406 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, 1407 struct xfrm_sec_ctx **new_ctxp) 1408 { 1409 return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); 1410 } 1411 1412 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) 1413 { 1414 call_void_hook(xfrm_policy_free_security, ctx); 1415 } 1416 EXPORT_SYMBOL(security_xfrm_policy_free); 1417 1418 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) 1419 { 1420 return call_int_hook(xfrm_policy_delete_security, 0, ctx); 1421 } 1422 1423 int security_xfrm_state_alloc(struct xfrm_state *x, 1424 struct xfrm_user_sec_ctx *sec_ctx) 1425 { 1426 return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); 1427 } 1428 EXPORT_SYMBOL(security_xfrm_state_alloc); 1429 1430 int security_xfrm_state_alloc_acquire(struct xfrm_state *x, 1431 struct xfrm_sec_ctx *polsec, u32 secid) 1432 { 1433 return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); 1434 } 1435 1436 int security_xfrm_state_delete(struct xfrm_state *x) 1437 { 1438 return call_int_hook(xfrm_state_delete_security, 0, x); 1439 } 1440 EXPORT_SYMBOL(security_xfrm_state_delete); 1441 1442 void security_xfrm_state_free(struct xfrm_state *x) 1443 { 1444 call_void_hook(xfrm_state_free_security, x); 1445 } 1446 1447 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) 1448 { 1449 return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); 1450 } 1451 1452 int security_xfrm_state_pol_flow_match(struct xfrm_state *x, 1453 struct xfrm_policy *xp, 1454 const struct flowi *fl) 1455 { 1456 struct security_hook_list *hp; 1457 int rc = 1; 1458 1459 /* 1460 * Since this function is expected to return 0 or 1, the judgment 1461 * becomes difficult if multiple LSMs supply this call. Fortunately, 1462 * we can use the first LSM's judgment because currently only SELinux 1463 * supplies this call. 1464 * 1465 * For speed optimization, we explicitly break the loop rather than 1466 * using the macro 1467 */ 1468 list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, 1469 list) { 1470 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); 1471 break; 1472 } 1473 return rc; 1474 } 1475 1476 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) 1477 { 1478 return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); 1479 } 1480 1481 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) 1482 { 1483 int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, 1484 0); 1485 1486 BUG_ON(rc); 1487 } 1488 EXPORT_SYMBOL(security_skb_classify_flow); 1489 1490 #endif /* CONFIG_SECURITY_NETWORK_XFRM */ 1491 1492 #ifdef CONFIG_KEYS 1493 1494 int security_key_alloc(struct key *key, const struct cred *cred, 1495 unsigned long flags) 1496 { 1497 return call_int_hook(key_alloc, 0, key, cred, flags); 1498 } 1499 1500 void security_key_free(struct key *key) 1501 { 1502 call_void_hook(key_free, key); 1503 } 1504 1505 int security_key_permission(key_ref_t key_ref, 1506 const struct cred *cred, unsigned perm) 1507 { 1508 return call_int_hook(key_permission, 0, key_ref, cred, perm); 1509 } 1510 1511 int security_key_getsecurity(struct key *key, char **_buffer) 1512 { 1513 *_buffer = NULL; 1514 return call_int_hook(key_getsecurity, 0, key, _buffer); 1515 } 1516 1517 #endif /* CONFIG_KEYS */ 1518 1519 #ifdef CONFIG_AUDIT 1520 1521 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) 1522 { 1523 return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); 1524 } 1525 1526 int security_audit_rule_known(struct audit_krule *krule) 1527 { 1528 return call_int_hook(audit_rule_known, 0, krule); 1529 } 1530 1531 void security_audit_rule_free(void *lsmrule) 1532 { 1533 call_void_hook(audit_rule_free, lsmrule); 1534 } 1535 1536 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, 1537 struct audit_context *actx) 1538 { 1539 return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, 1540 actx); 1541 } 1542 #endif /* CONFIG_AUDIT */ 1543 1544 struct security_hook_heads security_hook_heads = { 1545 .binder_set_context_mgr = 1546 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr), 1547 .binder_transaction = 1548 LIST_HEAD_INIT(security_hook_heads.binder_transaction), 1549 .binder_transfer_binder = 1550 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder), 1551 .binder_transfer_file = 1552 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file), 1553 1554 .ptrace_access_check = 1555 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check), 1556 .ptrace_traceme = 1557 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme), 1558 .capget = LIST_HEAD_INIT(security_hook_heads.capget), 1559 .capset = LIST_HEAD_INIT(security_hook_heads.capset), 1560 .capable = LIST_HEAD_INIT(security_hook_heads.capable), 1561 .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl), 1562 .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on), 1563 .syslog = LIST_HEAD_INIT(security_hook_heads.syslog), 1564 .settime = LIST_HEAD_INIT(security_hook_heads.settime), 1565 .vm_enough_memory = 1566 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory), 1567 .bprm_set_creds = 1568 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds), 1569 .bprm_check_security = 1570 LIST_HEAD_INIT(security_hook_heads.bprm_check_security), 1571 .bprm_secureexec = 1572 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec), 1573 .bprm_committing_creds = 1574 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds), 1575 .bprm_committed_creds = 1576 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds), 1577 .sb_alloc_security = 1578 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security), 1579 .sb_free_security = 1580 LIST_HEAD_INIT(security_hook_heads.sb_free_security), 1581 .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data), 1582 .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount), 1583 .sb_kern_mount = 1584 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount), 1585 .sb_show_options = 1586 LIST_HEAD_INIT(security_hook_heads.sb_show_options), 1587 .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs), 1588 .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount), 1589 .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount), 1590 .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot), 1591 .sb_set_mnt_opts = 1592 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts), 1593 .sb_clone_mnt_opts = 1594 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts), 1595 .sb_parse_opts_str = 1596 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str), 1597 .dentry_init_security = 1598 LIST_HEAD_INIT(security_hook_heads.dentry_init_security), 1599 #ifdef CONFIG_SECURITY_PATH 1600 .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink), 1601 .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir), 1602 .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir), 1603 .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod), 1604 .path_truncate = 1605 LIST_HEAD_INIT(security_hook_heads.path_truncate), 1606 .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink), 1607 .path_link = LIST_HEAD_INIT(security_hook_heads.path_link), 1608 .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename), 1609 .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod), 1610 .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown), 1611 .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot), 1612 #endif 1613 .inode_alloc_security = 1614 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security), 1615 .inode_free_security = 1616 LIST_HEAD_INIT(security_hook_heads.inode_free_security), 1617 .inode_init_security = 1618 LIST_HEAD_INIT(security_hook_heads.inode_init_security), 1619 .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create), 1620 .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link), 1621 .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink), 1622 .inode_symlink = 1623 LIST_HEAD_INIT(security_hook_heads.inode_symlink), 1624 .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir), 1625 .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir), 1626 .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod), 1627 .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename), 1628 .inode_readlink = 1629 LIST_HEAD_INIT(security_hook_heads.inode_readlink), 1630 .inode_follow_link = 1631 LIST_HEAD_INIT(security_hook_heads.inode_follow_link), 1632 .inode_permission = 1633 LIST_HEAD_INIT(security_hook_heads.inode_permission), 1634 .inode_setattr = 1635 LIST_HEAD_INIT(security_hook_heads.inode_setattr), 1636 .inode_getattr = 1637 LIST_HEAD_INIT(security_hook_heads.inode_getattr), 1638 .inode_setxattr = 1639 LIST_HEAD_INIT(security_hook_heads.inode_setxattr), 1640 .inode_post_setxattr = 1641 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr), 1642 .inode_getxattr = 1643 LIST_HEAD_INIT(security_hook_heads.inode_getxattr), 1644 .inode_listxattr = 1645 LIST_HEAD_INIT(security_hook_heads.inode_listxattr), 1646 .inode_removexattr = 1647 LIST_HEAD_INIT(security_hook_heads.inode_removexattr), 1648 .inode_need_killpriv = 1649 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv), 1650 .inode_killpriv = 1651 LIST_HEAD_INIT(security_hook_heads.inode_killpriv), 1652 .inode_getsecurity = 1653 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity), 1654 .inode_setsecurity = 1655 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity), 1656 .inode_listsecurity = 1657 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity), 1658 .inode_getsecid = 1659 LIST_HEAD_INIT(security_hook_heads.inode_getsecid), 1660 .file_permission = 1661 LIST_HEAD_INIT(security_hook_heads.file_permission), 1662 .file_alloc_security = 1663 LIST_HEAD_INIT(security_hook_heads.file_alloc_security), 1664 .file_free_security = 1665 LIST_HEAD_INIT(security_hook_heads.file_free_security), 1666 .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl), 1667 .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr), 1668 .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file), 1669 .file_mprotect = 1670 LIST_HEAD_INIT(security_hook_heads.file_mprotect), 1671 .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock), 1672 .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl), 1673 .file_set_fowner = 1674 LIST_HEAD_INIT(security_hook_heads.file_set_fowner), 1675 .file_send_sigiotask = 1676 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask), 1677 .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive), 1678 .file_open = LIST_HEAD_INIT(security_hook_heads.file_open), 1679 .task_create = LIST_HEAD_INIT(security_hook_heads.task_create), 1680 .task_free = LIST_HEAD_INIT(security_hook_heads.task_free), 1681 .cred_alloc_blank = 1682 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank), 1683 .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free), 1684 .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare), 1685 .cred_transfer = 1686 LIST_HEAD_INIT(security_hook_heads.cred_transfer), 1687 .kernel_act_as = 1688 LIST_HEAD_INIT(security_hook_heads.kernel_act_as), 1689 .kernel_create_files_as = 1690 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as), 1691 .kernel_fw_from_file = 1692 LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file), 1693 .kernel_module_request = 1694 LIST_HEAD_INIT(security_hook_heads.kernel_module_request), 1695 .kernel_module_from_file = 1696 LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file), 1697 .task_fix_setuid = 1698 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid), 1699 .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid), 1700 .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid), 1701 .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid), 1702 .task_getsecid = 1703 LIST_HEAD_INIT(security_hook_heads.task_getsecid), 1704 .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice), 1705 .task_setioprio = 1706 LIST_HEAD_INIT(security_hook_heads.task_setioprio), 1707 .task_getioprio = 1708 LIST_HEAD_INIT(security_hook_heads.task_getioprio), 1709 .task_setrlimit = 1710 LIST_HEAD_INIT(security_hook_heads.task_setrlimit), 1711 .task_setscheduler = 1712 LIST_HEAD_INIT(security_hook_heads.task_setscheduler), 1713 .task_getscheduler = 1714 LIST_HEAD_INIT(security_hook_heads.task_getscheduler), 1715 .task_movememory = 1716 LIST_HEAD_INIT(security_hook_heads.task_movememory), 1717 .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill), 1718 .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait), 1719 .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl), 1720 .task_to_inode = 1721 LIST_HEAD_INIT(security_hook_heads.task_to_inode), 1722 .ipc_permission = 1723 LIST_HEAD_INIT(security_hook_heads.ipc_permission), 1724 .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid), 1725 .msg_msg_alloc_security = 1726 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security), 1727 .msg_msg_free_security = 1728 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security), 1729 .msg_queue_alloc_security = 1730 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security), 1731 .msg_queue_free_security = 1732 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security), 1733 .msg_queue_associate = 1734 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate), 1735 .msg_queue_msgctl = 1736 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl), 1737 .msg_queue_msgsnd = 1738 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd), 1739 .msg_queue_msgrcv = 1740 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv), 1741 .shm_alloc_security = 1742 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security), 1743 .shm_free_security = 1744 LIST_HEAD_INIT(security_hook_heads.shm_free_security), 1745 .shm_associate = 1746 LIST_HEAD_INIT(security_hook_heads.shm_associate), 1747 .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl), 1748 .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat), 1749 .sem_alloc_security = 1750 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security), 1751 .sem_free_security = 1752 LIST_HEAD_INIT(security_hook_heads.sem_free_security), 1753 .sem_associate = 1754 LIST_HEAD_INIT(security_hook_heads.sem_associate), 1755 .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl), 1756 .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop), 1757 .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send), 1758 .d_instantiate = 1759 LIST_HEAD_INIT(security_hook_heads.d_instantiate), 1760 .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr), 1761 .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr), 1762 .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel), 1763 .secid_to_secctx = 1764 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx), 1765 .secctx_to_secid = 1766 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid), 1767 .release_secctx = 1768 LIST_HEAD_INIT(security_hook_heads.release_secctx), 1769 .inode_notifysecctx = 1770 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx), 1771 .inode_setsecctx = 1772 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx), 1773 .inode_getsecctx = 1774 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx), 1775 #ifdef CONFIG_SECURITY_NETWORK 1776 .unix_stream_connect = 1777 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect), 1778 .unix_may_send = 1779 LIST_HEAD_INIT(security_hook_heads.unix_may_send), 1780 .socket_create = 1781 LIST_HEAD_INIT(security_hook_heads.socket_create), 1782 .socket_post_create = 1783 LIST_HEAD_INIT(security_hook_heads.socket_post_create), 1784 .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind), 1785 .socket_connect = 1786 LIST_HEAD_INIT(security_hook_heads.socket_connect), 1787 .socket_listen = 1788 LIST_HEAD_INIT(security_hook_heads.socket_listen), 1789 .socket_accept = 1790 LIST_HEAD_INIT(security_hook_heads.socket_accept), 1791 .socket_sendmsg = 1792 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg), 1793 .socket_recvmsg = 1794 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg), 1795 .socket_getsockname = 1796 LIST_HEAD_INIT(security_hook_heads.socket_getsockname), 1797 .socket_getpeername = 1798 LIST_HEAD_INIT(security_hook_heads.socket_getpeername), 1799 .socket_getsockopt = 1800 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt), 1801 .socket_setsockopt = 1802 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt), 1803 .socket_shutdown = 1804 LIST_HEAD_INIT(security_hook_heads.socket_shutdown), 1805 .socket_sock_rcv_skb = 1806 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb), 1807 .socket_getpeersec_stream = 1808 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream), 1809 .socket_getpeersec_dgram = 1810 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram), 1811 .sk_alloc_security = 1812 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security), 1813 .sk_free_security = 1814 LIST_HEAD_INIT(security_hook_heads.sk_free_security), 1815 .sk_clone_security = 1816 LIST_HEAD_INIT(security_hook_heads.sk_clone_security), 1817 .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid), 1818 .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft), 1819 .inet_conn_request = 1820 LIST_HEAD_INIT(security_hook_heads.inet_conn_request), 1821 .inet_csk_clone = 1822 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone), 1823 .inet_conn_established = 1824 LIST_HEAD_INIT(security_hook_heads.inet_conn_established), 1825 .secmark_relabel_packet = 1826 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet), 1827 .secmark_refcount_inc = 1828 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc), 1829 .secmark_refcount_dec = 1830 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec), 1831 .req_classify_flow = 1832 LIST_HEAD_INIT(security_hook_heads.req_classify_flow), 1833 .tun_dev_alloc_security = 1834 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security), 1835 .tun_dev_free_security = 1836 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security), 1837 .tun_dev_create = 1838 LIST_HEAD_INIT(security_hook_heads.tun_dev_create), 1839 .tun_dev_attach_queue = 1840 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue), 1841 .tun_dev_attach = 1842 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach), 1843 .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open), 1844 .skb_owned_by = LIST_HEAD_INIT(security_hook_heads.skb_owned_by), 1845 #endif /* CONFIG_SECURITY_NETWORK */ 1846 #ifdef CONFIG_SECURITY_NETWORK_XFRM 1847 .xfrm_policy_alloc_security = 1848 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security), 1849 .xfrm_policy_clone_security = 1850 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security), 1851 .xfrm_policy_free_security = 1852 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security), 1853 .xfrm_policy_delete_security = 1854 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security), 1855 .xfrm_state_alloc = 1856 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc), 1857 .xfrm_state_alloc_acquire = 1858 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire), 1859 .xfrm_state_free_security = 1860 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security), 1861 .xfrm_state_delete_security = 1862 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security), 1863 .xfrm_policy_lookup = 1864 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup), 1865 .xfrm_state_pol_flow_match = 1866 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match), 1867 .xfrm_decode_session = 1868 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session), 1869 #endif /* CONFIG_SECURITY_NETWORK_XFRM */ 1870 #ifdef CONFIG_KEYS 1871 .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc), 1872 .key_free = LIST_HEAD_INIT(security_hook_heads.key_free), 1873 .key_permission = 1874 LIST_HEAD_INIT(security_hook_heads.key_permission), 1875 .key_getsecurity = 1876 LIST_HEAD_INIT(security_hook_heads.key_getsecurity), 1877 #endif /* CONFIG_KEYS */ 1878 #ifdef CONFIG_AUDIT 1879 .audit_rule_init = 1880 LIST_HEAD_INIT(security_hook_heads.audit_rule_init), 1881 .audit_rule_known = 1882 LIST_HEAD_INIT(security_hook_heads.audit_rule_known), 1883 .audit_rule_match = 1884 LIST_HEAD_INIT(security_hook_heads.audit_rule_match), 1885 .audit_rule_free = 1886 LIST_HEAD_INIT(security_hook_heads.audit_rule_free), 1887 #endif /* CONFIG_AUDIT */ 1888 }; 1889