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 char *lsm_names; 36 /* Boot-time LSM user choice */ 37 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = 38 CONFIG_DEFAULT_SECURITY; 39 40 static void __init do_security_initcalls(void) 41 { 42 initcall_t *call; 43 call = __security_initcall_start; 44 while (call < __security_initcall_end) { 45 (*call) (); 46 call++; 47 } 48 } 49 50 /** 51 * security_init - initializes the security framework 52 * 53 * This should be called early in the kernel initialization sequence. 54 */ 55 int __init security_init(void) 56 { 57 pr_info("Security Framework initialized\n"); 58 59 /* 60 * Load minor LSMs, with the capability module always first. 61 */ 62 capability_add_hooks(); 63 yama_add_hooks(); 64 loadpin_add_hooks(); 65 66 /* 67 * Load all the remaining security modules. 68 */ 69 do_security_initcalls(); 70 71 return 0; 72 } 73 74 /* Save user chosen LSM */ 75 static int __init choose_lsm(char *str) 76 { 77 strncpy(chosen_lsm, str, SECURITY_NAME_MAX); 78 return 1; 79 } 80 __setup("security=", choose_lsm); 81 82 static int lsm_append(char *new, char **result) 83 { 84 char *cp; 85 86 if (*result == NULL) { 87 *result = kstrdup(new, GFP_KERNEL); 88 } else { 89 cp = kasprintf(GFP_KERNEL, "%s,%s", *result, new); 90 if (cp == NULL) 91 return -ENOMEM; 92 kfree(*result); 93 *result = cp; 94 } 95 return 0; 96 } 97 98 /** 99 * security_module_enable - Load given security module on boot ? 100 * @module: the name of the module 101 * 102 * Each LSM must pass this method before registering its own operations 103 * to avoid security registration races. This method may also be used 104 * to check if your LSM is currently loaded during kernel initialization. 105 * 106 * Return true if: 107 * -The passed LSM is the one chosen by user at boot time, 108 * -or the passed LSM is configured as the default and the user did not 109 * choose an alternate LSM at boot time. 110 * Otherwise, return false. 111 */ 112 int __init security_module_enable(const char *module) 113 { 114 return !strcmp(module, chosen_lsm); 115 } 116 117 /** 118 * security_add_hooks - Add a modules hooks to the hook lists. 119 * @hooks: the hooks to add 120 * @count: the number of hooks to add 121 * @lsm: the name of the security module 122 * 123 * Each LSM has to register its hooks with the infrastructure. 124 */ 125 void __init security_add_hooks(struct security_hook_list *hooks, int count, 126 char *lsm) 127 { 128 int i; 129 130 for (i = 0; i < count; i++) { 131 hooks[i].lsm = lsm; 132 list_add_tail_rcu(&hooks[i].list, hooks[i].head); 133 } 134 if (lsm_append(lsm, &lsm_names) < 0) 135 panic("%s - Cannot get early memory.\n", __func__); 136 } 137 138 /* 139 * Hook list operation macros. 140 * 141 * call_void_hook: 142 * This is a hook that does not return a value. 143 * 144 * call_int_hook: 145 * This is a hook that returns a value. 146 */ 147 148 #define call_void_hook(FUNC, ...) \ 149 do { \ 150 struct security_hook_list *P; \ 151 \ 152 list_for_each_entry(P, &security_hook_heads.FUNC, list) \ 153 P->hook.FUNC(__VA_ARGS__); \ 154 } while (0) 155 156 #define call_int_hook(FUNC, IRC, ...) ({ \ 157 int RC = IRC; \ 158 do { \ 159 struct security_hook_list *P; \ 160 \ 161 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \ 162 RC = P->hook.FUNC(__VA_ARGS__); \ 163 if (RC != 0) \ 164 break; \ 165 } \ 166 } while (0); \ 167 RC; \ 168 }) 169 170 /* Security operations */ 171 172 int security_binder_set_context_mgr(struct task_struct *mgr) 173 { 174 return call_int_hook(binder_set_context_mgr, 0, mgr); 175 } 176 177 int security_binder_transaction(struct task_struct *from, 178 struct task_struct *to) 179 { 180 return call_int_hook(binder_transaction, 0, from, to); 181 } 182 183 int security_binder_transfer_binder(struct task_struct *from, 184 struct task_struct *to) 185 { 186 return call_int_hook(binder_transfer_binder, 0, from, to); 187 } 188 189 int security_binder_transfer_file(struct task_struct *from, 190 struct task_struct *to, struct file *file) 191 { 192 return call_int_hook(binder_transfer_file, 0, from, to, file); 193 } 194 195 int security_ptrace_access_check(struct task_struct *child, unsigned int mode) 196 { 197 return call_int_hook(ptrace_access_check, 0, child, mode); 198 } 199 200 int security_ptrace_traceme(struct task_struct *parent) 201 { 202 return call_int_hook(ptrace_traceme, 0, parent); 203 } 204 205 int security_capget(struct task_struct *target, 206 kernel_cap_t *effective, 207 kernel_cap_t *inheritable, 208 kernel_cap_t *permitted) 209 { 210 return call_int_hook(capget, 0, target, 211 effective, inheritable, permitted); 212 } 213 214 int security_capset(struct cred *new, const struct cred *old, 215 const kernel_cap_t *effective, 216 const kernel_cap_t *inheritable, 217 const kernel_cap_t *permitted) 218 { 219 return call_int_hook(capset, 0, new, old, 220 effective, inheritable, permitted); 221 } 222 223 int security_capable(const struct cred *cred, struct user_namespace *ns, 224 int cap) 225 { 226 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); 227 } 228 229 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, 230 int cap) 231 { 232 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); 233 } 234 235 int security_quotactl(int cmds, int type, int id, struct super_block *sb) 236 { 237 return call_int_hook(quotactl, 0, cmds, type, id, sb); 238 } 239 240 int security_quota_on(struct dentry *dentry) 241 { 242 return call_int_hook(quota_on, 0, dentry); 243 } 244 245 int security_syslog(int type) 246 { 247 return call_int_hook(syslog, 0, type); 248 } 249 250 int security_settime64(const struct timespec64 *ts, const struct timezone *tz) 251 { 252 return call_int_hook(settime, 0, ts, tz); 253 } 254 255 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) 256 { 257 struct security_hook_list *hp; 258 int cap_sys_admin = 1; 259 int rc; 260 261 /* 262 * The module will respond with a positive value if 263 * it thinks the __vm_enough_memory() call should be 264 * made with the cap_sys_admin set. If all of the modules 265 * agree that it should be set it will. If any module 266 * thinks it should not be set it won't. 267 */ 268 list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { 269 rc = hp->hook.vm_enough_memory(mm, pages); 270 if (rc <= 0) { 271 cap_sys_admin = 0; 272 break; 273 } 274 } 275 return __vm_enough_memory(mm, pages, cap_sys_admin); 276 } 277 278 int security_bprm_set_creds(struct linux_binprm *bprm) 279 { 280 return call_int_hook(bprm_set_creds, 0, bprm); 281 } 282 283 int security_bprm_check(struct linux_binprm *bprm) 284 { 285 int ret; 286 287 ret = call_int_hook(bprm_check_security, 0, bprm); 288 if (ret) 289 return ret; 290 return ima_bprm_check(bprm); 291 } 292 293 void security_bprm_committing_creds(struct linux_binprm *bprm) 294 { 295 call_void_hook(bprm_committing_creds, bprm); 296 } 297 298 void security_bprm_committed_creds(struct linux_binprm *bprm) 299 { 300 call_void_hook(bprm_committed_creds, bprm); 301 } 302 303 int security_bprm_secureexec(struct linux_binprm *bprm) 304 { 305 return call_int_hook(bprm_secureexec, 0, bprm); 306 } 307 308 int security_sb_alloc(struct super_block *sb) 309 { 310 return call_int_hook(sb_alloc_security, 0, sb); 311 } 312 313 void security_sb_free(struct super_block *sb) 314 { 315 call_void_hook(sb_free_security, sb); 316 } 317 318 int security_sb_copy_data(char *orig, char *copy) 319 { 320 return call_int_hook(sb_copy_data, 0, orig, copy); 321 } 322 EXPORT_SYMBOL(security_sb_copy_data); 323 324 int security_sb_remount(struct super_block *sb, void *data) 325 { 326 return call_int_hook(sb_remount, 0, sb, data); 327 } 328 329 int security_sb_kern_mount(struct super_block *sb, int flags, void *data) 330 { 331 return call_int_hook(sb_kern_mount, 0, sb, flags, data); 332 } 333 334 int security_sb_show_options(struct seq_file *m, struct super_block *sb) 335 { 336 return call_int_hook(sb_show_options, 0, m, sb); 337 } 338 339 int security_sb_statfs(struct dentry *dentry) 340 { 341 return call_int_hook(sb_statfs, 0, dentry); 342 } 343 344 int security_sb_mount(const char *dev_name, const struct path *path, 345 const char *type, unsigned long flags, void *data) 346 { 347 return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); 348 } 349 350 int security_sb_umount(struct vfsmount *mnt, int flags) 351 { 352 return call_int_hook(sb_umount, 0, mnt, flags); 353 } 354 355 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) 356 { 357 return call_int_hook(sb_pivotroot, 0, old_path, new_path); 358 } 359 360 int security_sb_set_mnt_opts(struct super_block *sb, 361 struct security_mnt_opts *opts, 362 unsigned long kern_flags, 363 unsigned long *set_kern_flags) 364 { 365 return call_int_hook(sb_set_mnt_opts, 366 opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, 367 opts, kern_flags, set_kern_flags); 368 } 369 EXPORT_SYMBOL(security_sb_set_mnt_opts); 370 371 int security_sb_clone_mnt_opts(const struct super_block *oldsb, 372 struct super_block *newsb) 373 { 374 return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb); 375 } 376 EXPORT_SYMBOL(security_sb_clone_mnt_opts); 377 378 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) 379 { 380 return call_int_hook(sb_parse_opts_str, 0, options, opts); 381 } 382 EXPORT_SYMBOL(security_sb_parse_opts_str); 383 384 int security_inode_alloc(struct inode *inode) 385 { 386 inode->i_security = NULL; 387 return call_int_hook(inode_alloc_security, 0, inode); 388 } 389 390 void security_inode_free(struct inode *inode) 391 { 392 integrity_inode_free(inode); 393 call_void_hook(inode_free_security, inode); 394 } 395 396 int security_dentry_init_security(struct dentry *dentry, int mode, 397 const struct qstr *name, void **ctx, 398 u32 *ctxlen) 399 { 400 return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, 401 name, ctx, ctxlen); 402 } 403 EXPORT_SYMBOL(security_dentry_init_security); 404 405 int security_dentry_create_files_as(struct dentry *dentry, int mode, 406 struct qstr *name, 407 const struct cred *old, struct cred *new) 408 { 409 return call_int_hook(dentry_create_files_as, 0, dentry, mode, 410 name, old, new); 411 } 412 EXPORT_SYMBOL(security_dentry_create_files_as); 413 414 int security_inode_init_security(struct inode *inode, struct inode *dir, 415 const struct qstr *qstr, 416 const initxattrs initxattrs, void *fs_data) 417 { 418 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; 419 struct xattr *lsm_xattr, *evm_xattr, *xattr; 420 int ret; 421 422 if (unlikely(IS_PRIVATE(inode))) 423 return 0; 424 425 if (!initxattrs) 426 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, 427 dir, qstr, NULL, NULL, NULL); 428 memset(new_xattrs, 0, sizeof(new_xattrs)); 429 lsm_xattr = new_xattrs; 430 ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, 431 &lsm_xattr->name, 432 &lsm_xattr->value, 433 &lsm_xattr->value_len); 434 if (ret) 435 goto out; 436 437 evm_xattr = lsm_xattr + 1; 438 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); 439 if (ret) 440 goto out; 441 ret = initxattrs(inode, new_xattrs, fs_data); 442 out: 443 for (xattr = new_xattrs; xattr->value != NULL; xattr++) 444 kfree(xattr->value); 445 return (ret == -EOPNOTSUPP) ? 0 : ret; 446 } 447 EXPORT_SYMBOL(security_inode_init_security); 448 449 int security_old_inode_init_security(struct inode *inode, struct inode *dir, 450 const struct qstr *qstr, const char **name, 451 void **value, size_t *len) 452 { 453 if (unlikely(IS_PRIVATE(inode))) 454 return -EOPNOTSUPP; 455 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, 456 qstr, name, value, len); 457 } 458 EXPORT_SYMBOL(security_old_inode_init_security); 459 460 #ifdef CONFIG_SECURITY_PATH 461 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, 462 unsigned int dev) 463 { 464 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 465 return 0; 466 return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); 467 } 468 EXPORT_SYMBOL(security_path_mknod); 469 470 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) 471 { 472 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 473 return 0; 474 return call_int_hook(path_mkdir, 0, dir, dentry, mode); 475 } 476 EXPORT_SYMBOL(security_path_mkdir); 477 478 int security_path_rmdir(const struct path *dir, struct dentry *dentry) 479 { 480 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 481 return 0; 482 return call_int_hook(path_rmdir, 0, dir, dentry); 483 } 484 485 int security_path_unlink(const struct path *dir, struct dentry *dentry) 486 { 487 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 488 return 0; 489 return call_int_hook(path_unlink, 0, dir, dentry); 490 } 491 EXPORT_SYMBOL(security_path_unlink); 492 493 int security_path_symlink(const struct path *dir, struct dentry *dentry, 494 const char *old_name) 495 { 496 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 497 return 0; 498 return call_int_hook(path_symlink, 0, dir, dentry, old_name); 499 } 500 501 int security_path_link(struct dentry *old_dentry, const struct path *new_dir, 502 struct dentry *new_dentry) 503 { 504 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) 505 return 0; 506 return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); 507 } 508 509 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, 510 const struct path *new_dir, struct dentry *new_dentry, 511 unsigned int flags) 512 { 513 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || 514 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) 515 return 0; 516 517 if (flags & RENAME_EXCHANGE) { 518 int err = call_int_hook(path_rename, 0, new_dir, new_dentry, 519 old_dir, old_dentry); 520 if (err) 521 return err; 522 } 523 524 return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, 525 new_dentry); 526 } 527 EXPORT_SYMBOL(security_path_rename); 528 529 int security_path_truncate(const struct path *path) 530 { 531 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 532 return 0; 533 return call_int_hook(path_truncate, 0, path); 534 } 535 536 int security_path_chmod(const struct path *path, umode_t mode) 537 { 538 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 539 return 0; 540 return call_int_hook(path_chmod, 0, path, mode); 541 } 542 543 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) 544 { 545 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 546 return 0; 547 return call_int_hook(path_chown, 0, path, uid, gid); 548 } 549 550 int security_path_chroot(const struct path *path) 551 { 552 return call_int_hook(path_chroot, 0, path); 553 } 554 #endif 555 556 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) 557 { 558 if (unlikely(IS_PRIVATE(dir))) 559 return 0; 560 return call_int_hook(inode_create, 0, dir, dentry, mode); 561 } 562 EXPORT_SYMBOL_GPL(security_inode_create); 563 564 int security_inode_link(struct dentry *old_dentry, struct inode *dir, 565 struct dentry *new_dentry) 566 { 567 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) 568 return 0; 569 return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); 570 } 571 572 int security_inode_unlink(struct inode *dir, struct dentry *dentry) 573 { 574 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 575 return 0; 576 return call_int_hook(inode_unlink, 0, dir, dentry); 577 } 578 579 int security_inode_symlink(struct inode *dir, struct dentry *dentry, 580 const char *old_name) 581 { 582 if (unlikely(IS_PRIVATE(dir))) 583 return 0; 584 return call_int_hook(inode_symlink, 0, dir, dentry, old_name); 585 } 586 587 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) 588 { 589 if (unlikely(IS_PRIVATE(dir))) 590 return 0; 591 return call_int_hook(inode_mkdir, 0, dir, dentry, mode); 592 } 593 EXPORT_SYMBOL_GPL(security_inode_mkdir); 594 595 int security_inode_rmdir(struct inode *dir, struct dentry *dentry) 596 { 597 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 598 return 0; 599 return call_int_hook(inode_rmdir, 0, dir, dentry); 600 } 601 602 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) 603 { 604 if (unlikely(IS_PRIVATE(dir))) 605 return 0; 606 return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); 607 } 608 609 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, 610 struct inode *new_dir, struct dentry *new_dentry, 611 unsigned int flags) 612 { 613 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || 614 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) 615 return 0; 616 617 if (flags & RENAME_EXCHANGE) { 618 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, 619 old_dir, old_dentry); 620 if (err) 621 return err; 622 } 623 624 return call_int_hook(inode_rename, 0, old_dir, old_dentry, 625 new_dir, new_dentry); 626 } 627 628 int security_inode_readlink(struct dentry *dentry) 629 { 630 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 631 return 0; 632 return call_int_hook(inode_readlink, 0, dentry); 633 } 634 635 int security_inode_follow_link(struct dentry *dentry, struct inode *inode, 636 bool rcu) 637 { 638 if (unlikely(IS_PRIVATE(inode))) 639 return 0; 640 return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); 641 } 642 643 int security_inode_permission(struct inode *inode, int mask) 644 { 645 if (unlikely(IS_PRIVATE(inode))) 646 return 0; 647 return call_int_hook(inode_permission, 0, inode, mask); 648 } 649 650 int security_inode_setattr(struct dentry *dentry, struct iattr *attr) 651 { 652 int ret; 653 654 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 655 return 0; 656 ret = call_int_hook(inode_setattr, 0, dentry, attr); 657 if (ret) 658 return ret; 659 return evm_inode_setattr(dentry, attr); 660 } 661 EXPORT_SYMBOL_GPL(security_inode_setattr); 662 663 int security_inode_getattr(const struct path *path) 664 { 665 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 666 return 0; 667 return call_int_hook(inode_getattr, 0, path); 668 } 669 670 int security_inode_setxattr(struct dentry *dentry, const char *name, 671 const void *value, size_t size, int flags) 672 { 673 int ret; 674 675 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 676 return 0; 677 /* 678 * SELinux and Smack integrate the cap call, 679 * so assume that all LSMs supplying this call do so. 680 */ 681 ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, 682 flags); 683 684 if (ret == 1) 685 ret = cap_inode_setxattr(dentry, name, value, size, flags); 686 if (ret) 687 return ret; 688 ret = ima_inode_setxattr(dentry, name, value, size); 689 if (ret) 690 return ret; 691 return evm_inode_setxattr(dentry, name, value, size); 692 } 693 694 void security_inode_post_setxattr(struct dentry *dentry, const char *name, 695 const void *value, size_t size, int flags) 696 { 697 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 698 return; 699 call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); 700 evm_inode_post_setxattr(dentry, name, value, size); 701 } 702 703 int security_inode_getxattr(struct dentry *dentry, const char *name) 704 { 705 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 706 return 0; 707 return call_int_hook(inode_getxattr, 0, dentry, name); 708 } 709 710 int security_inode_listxattr(struct dentry *dentry) 711 { 712 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 713 return 0; 714 return call_int_hook(inode_listxattr, 0, dentry); 715 } 716 717 int security_inode_removexattr(struct dentry *dentry, const char *name) 718 { 719 int ret; 720 721 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 722 return 0; 723 /* 724 * SELinux and Smack integrate the cap call, 725 * so assume that all LSMs supplying this call do so. 726 */ 727 ret = call_int_hook(inode_removexattr, 1, dentry, name); 728 if (ret == 1) 729 ret = cap_inode_removexattr(dentry, name); 730 if (ret) 731 return ret; 732 ret = ima_inode_removexattr(dentry, name); 733 if (ret) 734 return ret; 735 return evm_inode_removexattr(dentry, name); 736 } 737 738 int security_inode_need_killpriv(struct dentry *dentry) 739 { 740 return call_int_hook(inode_need_killpriv, 0, dentry); 741 } 742 743 int security_inode_killpriv(struct dentry *dentry) 744 { 745 return call_int_hook(inode_killpriv, 0, dentry); 746 } 747 748 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) 749 { 750 struct security_hook_list *hp; 751 int rc; 752 753 if (unlikely(IS_PRIVATE(inode))) 754 return -EOPNOTSUPP; 755 /* 756 * Only one module will provide an attribute with a given name. 757 */ 758 list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { 759 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); 760 if (rc != -EOPNOTSUPP) 761 return rc; 762 } 763 return -EOPNOTSUPP; 764 } 765 766 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) 767 { 768 struct security_hook_list *hp; 769 int rc; 770 771 if (unlikely(IS_PRIVATE(inode))) 772 return -EOPNOTSUPP; 773 /* 774 * Only one module will provide an attribute with a given name. 775 */ 776 list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { 777 rc = hp->hook.inode_setsecurity(inode, name, value, size, 778 flags); 779 if (rc != -EOPNOTSUPP) 780 return rc; 781 } 782 return -EOPNOTSUPP; 783 } 784 785 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) 786 { 787 if (unlikely(IS_PRIVATE(inode))) 788 return 0; 789 return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); 790 } 791 EXPORT_SYMBOL(security_inode_listsecurity); 792 793 void security_inode_getsecid(struct inode *inode, u32 *secid) 794 { 795 call_void_hook(inode_getsecid, inode, secid); 796 } 797 798 int security_inode_copy_up(struct dentry *src, struct cred **new) 799 { 800 return call_int_hook(inode_copy_up, 0, src, new); 801 } 802 EXPORT_SYMBOL(security_inode_copy_up); 803 804 int security_inode_copy_up_xattr(const char *name) 805 { 806 return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); 807 } 808 EXPORT_SYMBOL(security_inode_copy_up_xattr); 809 810 int security_file_permission(struct file *file, int mask) 811 { 812 int ret; 813 814 ret = call_int_hook(file_permission, 0, file, mask); 815 if (ret) 816 return ret; 817 818 return fsnotify_perm(file, mask); 819 } 820 821 int security_file_alloc(struct file *file) 822 { 823 return call_int_hook(file_alloc_security, 0, file); 824 } 825 826 void security_file_free(struct file *file) 827 { 828 call_void_hook(file_free_security, file); 829 } 830 831 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 832 { 833 return call_int_hook(file_ioctl, 0, file, cmd, arg); 834 } 835 836 static inline unsigned long mmap_prot(struct file *file, unsigned long prot) 837 { 838 /* 839 * Does we have PROT_READ and does the application expect 840 * it to imply PROT_EXEC? If not, nothing to talk about... 841 */ 842 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) 843 return prot; 844 if (!(current->personality & READ_IMPLIES_EXEC)) 845 return prot; 846 /* 847 * if that's an anonymous mapping, let it. 848 */ 849 if (!file) 850 return prot | PROT_EXEC; 851 /* 852 * ditto if it's not on noexec mount, except that on !MMU we need 853 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case 854 */ 855 if (!path_noexec(&file->f_path)) { 856 #ifndef CONFIG_MMU 857 if (file->f_op->mmap_capabilities) { 858 unsigned caps = file->f_op->mmap_capabilities(file); 859 if (!(caps & NOMMU_MAP_EXEC)) 860 return prot; 861 } 862 #endif 863 return prot | PROT_EXEC; 864 } 865 /* anything on noexec mount won't get PROT_EXEC */ 866 return prot; 867 } 868 869 int security_mmap_file(struct file *file, unsigned long prot, 870 unsigned long flags) 871 { 872 int ret; 873 ret = call_int_hook(mmap_file, 0, file, prot, 874 mmap_prot(file, prot), flags); 875 if (ret) 876 return ret; 877 return ima_file_mmap(file, prot); 878 } 879 880 int security_mmap_addr(unsigned long addr) 881 { 882 return call_int_hook(mmap_addr, 0, addr); 883 } 884 885 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, 886 unsigned long prot) 887 { 888 return call_int_hook(file_mprotect, 0, vma, reqprot, prot); 889 } 890 891 int security_file_lock(struct file *file, unsigned int cmd) 892 { 893 return call_int_hook(file_lock, 0, file, cmd); 894 } 895 896 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) 897 { 898 return call_int_hook(file_fcntl, 0, file, cmd, arg); 899 } 900 901 void security_file_set_fowner(struct file *file) 902 { 903 call_void_hook(file_set_fowner, file); 904 } 905 906 int security_file_send_sigiotask(struct task_struct *tsk, 907 struct fown_struct *fown, int sig) 908 { 909 return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); 910 } 911 912 int security_file_receive(struct file *file) 913 { 914 return call_int_hook(file_receive, 0, file); 915 } 916 917 int security_file_open(struct file *file, const struct cred *cred) 918 { 919 int ret; 920 921 ret = call_int_hook(file_open, 0, file, cred); 922 if (ret) 923 return ret; 924 925 return fsnotify_perm(file, MAY_OPEN); 926 } 927 928 int security_task_create(unsigned long clone_flags) 929 { 930 return call_int_hook(task_create, 0, clone_flags); 931 } 932 933 void security_task_free(struct task_struct *task) 934 { 935 call_void_hook(task_free, task); 936 } 937 938 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) 939 { 940 return call_int_hook(cred_alloc_blank, 0, cred, gfp); 941 } 942 943 void security_cred_free(struct cred *cred) 944 { 945 call_void_hook(cred_free, cred); 946 } 947 948 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) 949 { 950 return call_int_hook(cred_prepare, 0, new, old, gfp); 951 } 952 953 void security_transfer_creds(struct cred *new, const struct cred *old) 954 { 955 call_void_hook(cred_transfer, new, old); 956 } 957 958 int security_kernel_act_as(struct cred *new, u32 secid) 959 { 960 return call_int_hook(kernel_act_as, 0, new, secid); 961 } 962 963 int security_kernel_create_files_as(struct cred *new, struct inode *inode) 964 { 965 return call_int_hook(kernel_create_files_as, 0, new, inode); 966 } 967 968 int security_kernel_module_request(char *kmod_name) 969 { 970 return call_int_hook(kernel_module_request, 0, kmod_name); 971 } 972 973 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) 974 { 975 int ret; 976 977 ret = call_int_hook(kernel_read_file, 0, file, id); 978 if (ret) 979 return ret; 980 return ima_read_file(file, id); 981 } 982 EXPORT_SYMBOL_GPL(security_kernel_read_file); 983 984 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, 985 enum kernel_read_file_id id) 986 { 987 int ret; 988 989 ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); 990 if (ret) 991 return ret; 992 return ima_post_read_file(file, buf, size, id); 993 } 994 EXPORT_SYMBOL_GPL(security_kernel_post_read_file); 995 996 int security_task_fix_setuid(struct cred *new, const struct cred *old, 997 int flags) 998 { 999 return call_int_hook(task_fix_setuid, 0, new, old, flags); 1000 } 1001 1002 int security_task_setpgid(struct task_struct *p, pid_t pgid) 1003 { 1004 return call_int_hook(task_setpgid, 0, p, pgid); 1005 } 1006 1007 int security_task_getpgid(struct task_struct *p) 1008 { 1009 return call_int_hook(task_getpgid, 0, p); 1010 } 1011 1012 int security_task_getsid(struct task_struct *p) 1013 { 1014 return call_int_hook(task_getsid, 0, p); 1015 } 1016 1017 void security_task_getsecid(struct task_struct *p, u32 *secid) 1018 { 1019 *secid = 0; 1020 call_void_hook(task_getsecid, p, secid); 1021 } 1022 EXPORT_SYMBOL(security_task_getsecid); 1023 1024 int security_task_setnice(struct task_struct *p, int nice) 1025 { 1026 return call_int_hook(task_setnice, 0, p, nice); 1027 } 1028 1029 int security_task_setioprio(struct task_struct *p, int ioprio) 1030 { 1031 return call_int_hook(task_setioprio, 0, p, ioprio); 1032 } 1033 1034 int security_task_getioprio(struct task_struct *p) 1035 { 1036 return call_int_hook(task_getioprio, 0, p); 1037 } 1038 1039 int security_task_setrlimit(struct task_struct *p, unsigned int resource, 1040 struct rlimit *new_rlim) 1041 { 1042 return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); 1043 } 1044 1045 int security_task_setscheduler(struct task_struct *p) 1046 { 1047 return call_int_hook(task_setscheduler, 0, p); 1048 } 1049 1050 int security_task_getscheduler(struct task_struct *p) 1051 { 1052 return call_int_hook(task_getscheduler, 0, p); 1053 } 1054 1055 int security_task_movememory(struct task_struct *p) 1056 { 1057 return call_int_hook(task_movememory, 0, p); 1058 } 1059 1060 int security_task_kill(struct task_struct *p, struct siginfo *info, 1061 int sig, u32 secid) 1062 { 1063 return call_int_hook(task_kill, 0, p, info, sig, secid); 1064 } 1065 1066 int security_task_wait(struct task_struct *p) 1067 { 1068 return call_int_hook(task_wait, 0, p); 1069 } 1070 1071 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, 1072 unsigned long arg4, unsigned long arg5) 1073 { 1074 int thisrc; 1075 int rc = -ENOSYS; 1076 struct security_hook_list *hp; 1077 1078 list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { 1079 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); 1080 if (thisrc != -ENOSYS) { 1081 rc = thisrc; 1082 if (thisrc != 0) 1083 break; 1084 } 1085 } 1086 return rc; 1087 } 1088 1089 void security_task_to_inode(struct task_struct *p, struct inode *inode) 1090 { 1091 call_void_hook(task_to_inode, p, inode); 1092 } 1093 1094 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) 1095 { 1096 return call_int_hook(ipc_permission, 0, ipcp, flag); 1097 } 1098 1099 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) 1100 { 1101 *secid = 0; 1102 call_void_hook(ipc_getsecid, ipcp, secid); 1103 } 1104 1105 int security_msg_msg_alloc(struct msg_msg *msg) 1106 { 1107 return call_int_hook(msg_msg_alloc_security, 0, msg); 1108 } 1109 1110 void security_msg_msg_free(struct msg_msg *msg) 1111 { 1112 call_void_hook(msg_msg_free_security, msg); 1113 } 1114 1115 int security_msg_queue_alloc(struct msg_queue *msq) 1116 { 1117 return call_int_hook(msg_queue_alloc_security, 0, msq); 1118 } 1119 1120 void security_msg_queue_free(struct msg_queue *msq) 1121 { 1122 call_void_hook(msg_queue_free_security, msq); 1123 } 1124 1125 int security_msg_queue_associate(struct msg_queue *msq, int msqflg) 1126 { 1127 return call_int_hook(msg_queue_associate, 0, msq, msqflg); 1128 } 1129 1130 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) 1131 { 1132 return call_int_hook(msg_queue_msgctl, 0, msq, cmd); 1133 } 1134 1135 int security_msg_queue_msgsnd(struct msg_queue *msq, 1136 struct msg_msg *msg, int msqflg) 1137 { 1138 return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); 1139 } 1140 1141 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, 1142 struct task_struct *target, long type, int mode) 1143 { 1144 return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); 1145 } 1146 1147 int security_shm_alloc(struct shmid_kernel *shp) 1148 { 1149 return call_int_hook(shm_alloc_security, 0, shp); 1150 } 1151 1152 void security_shm_free(struct shmid_kernel *shp) 1153 { 1154 call_void_hook(shm_free_security, shp); 1155 } 1156 1157 int security_shm_associate(struct shmid_kernel *shp, int shmflg) 1158 { 1159 return call_int_hook(shm_associate, 0, shp, shmflg); 1160 } 1161 1162 int security_shm_shmctl(struct shmid_kernel *shp, int cmd) 1163 { 1164 return call_int_hook(shm_shmctl, 0, shp, cmd); 1165 } 1166 1167 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) 1168 { 1169 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); 1170 } 1171 1172 int security_sem_alloc(struct sem_array *sma) 1173 { 1174 return call_int_hook(sem_alloc_security, 0, sma); 1175 } 1176 1177 void security_sem_free(struct sem_array *sma) 1178 { 1179 call_void_hook(sem_free_security, sma); 1180 } 1181 1182 int security_sem_associate(struct sem_array *sma, int semflg) 1183 { 1184 return call_int_hook(sem_associate, 0, sma, semflg); 1185 } 1186 1187 int security_sem_semctl(struct sem_array *sma, int cmd) 1188 { 1189 return call_int_hook(sem_semctl, 0, sma, cmd); 1190 } 1191 1192 int security_sem_semop(struct sem_array *sma, struct sembuf *sops, 1193 unsigned nsops, int alter) 1194 { 1195 return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); 1196 } 1197 1198 void security_d_instantiate(struct dentry *dentry, struct inode *inode) 1199 { 1200 if (unlikely(inode && IS_PRIVATE(inode))) 1201 return; 1202 call_void_hook(d_instantiate, dentry, inode); 1203 } 1204 EXPORT_SYMBOL(security_d_instantiate); 1205 1206 int security_getprocattr(struct task_struct *p, char *name, char **value) 1207 { 1208 return call_int_hook(getprocattr, -EINVAL, p, name, value); 1209 } 1210 1211 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) 1212 { 1213 return call_int_hook(setprocattr, -EINVAL, p, name, value, size); 1214 } 1215 1216 int security_netlink_send(struct sock *sk, struct sk_buff *skb) 1217 { 1218 return call_int_hook(netlink_send, 0, sk, skb); 1219 } 1220 1221 int security_ismaclabel(const char *name) 1222 { 1223 return call_int_hook(ismaclabel, 0, name); 1224 } 1225 EXPORT_SYMBOL(security_ismaclabel); 1226 1227 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) 1228 { 1229 return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, 1230 seclen); 1231 } 1232 EXPORT_SYMBOL(security_secid_to_secctx); 1233 1234 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) 1235 { 1236 *secid = 0; 1237 return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); 1238 } 1239 EXPORT_SYMBOL(security_secctx_to_secid); 1240 1241 void security_release_secctx(char *secdata, u32 seclen) 1242 { 1243 call_void_hook(release_secctx, secdata, seclen); 1244 } 1245 EXPORT_SYMBOL(security_release_secctx); 1246 1247 void security_inode_invalidate_secctx(struct inode *inode) 1248 { 1249 call_void_hook(inode_invalidate_secctx, inode); 1250 } 1251 EXPORT_SYMBOL(security_inode_invalidate_secctx); 1252 1253 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) 1254 { 1255 return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); 1256 } 1257 EXPORT_SYMBOL(security_inode_notifysecctx); 1258 1259 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) 1260 { 1261 return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); 1262 } 1263 EXPORT_SYMBOL(security_inode_setsecctx); 1264 1265 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) 1266 { 1267 return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); 1268 } 1269 EXPORT_SYMBOL(security_inode_getsecctx); 1270 1271 #ifdef CONFIG_SECURITY_NETWORK 1272 1273 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) 1274 { 1275 return call_int_hook(unix_stream_connect, 0, sock, other, newsk); 1276 } 1277 EXPORT_SYMBOL(security_unix_stream_connect); 1278 1279 int security_unix_may_send(struct socket *sock, struct socket *other) 1280 { 1281 return call_int_hook(unix_may_send, 0, sock, other); 1282 } 1283 EXPORT_SYMBOL(security_unix_may_send); 1284 1285 int security_socket_create(int family, int type, int protocol, int kern) 1286 { 1287 return call_int_hook(socket_create, 0, family, type, protocol, kern); 1288 } 1289 1290 int security_socket_post_create(struct socket *sock, int family, 1291 int type, int protocol, int kern) 1292 { 1293 return call_int_hook(socket_post_create, 0, sock, family, type, 1294 protocol, kern); 1295 } 1296 1297 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) 1298 { 1299 return call_int_hook(socket_bind, 0, sock, address, addrlen); 1300 } 1301 1302 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) 1303 { 1304 return call_int_hook(socket_connect, 0, sock, address, addrlen); 1305 } 1306 1307 int security_socket_listen(struct socket *sock, int backlog) 1308 { 1309 return call_int_hook(socket_listen, 0, sock, backlog); 1310 } 1311 1312 int security_socket_accept(struct socket *sock, struct socket *newsock) 1313 { 1314 return call_int_hook(socket_accept, 0, sock, newsock); 1315 } 1316 1317 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) 1318 { 1319 return call_int_hook(socket_sendmsg, 0, sock, msg, size); 1320 } 1321 1322 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, 1323 int size, int flags) 1324 { 1325 return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); 1326 } 1327 1328 int security_socket_getsockname(struct socket *sock) 1329 { 1330 return call_int_hook(socket_getsockname, 0, sock); 1331 } 1332 1333 int security_socket_getpeername(struct socket *sock) 1334 { 1335 return call_int_hook(socket_getpeername, 0, sock); 1336 } 1337 1338 int security_socket_getsockopt(struct socket *sock, int level, int optname) 1339 { 1340 return call_int_hook(socket_getsockopt, 0, sock, level, optname); 1341 } 1342 1343 int security_socket_setsockopt(struct socket *sock, int level, int optname) 1344 { 1345 return call_int_hook(socket_setsockopt, 0, sock, level, optname); 1346 } 1347 1348 int security_socket_shutdown(struct socket *sock, int how) 1349 { 1350 return call_int_hook(socket_shutdown, 0, sock, how); 1351 } 1352 1353 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) 1354 { 1355 return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); 1356 } 1357 EXPORT_SYMBOL(security_sock_rcv_skb); 1358 1359 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, 1360 int __user *optlen, unsigned len) 1361 { 1362 return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, 1363 optval, optlen, len); 1364 } 1365 1366 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) 1367 { 1368 return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, 1369 skb, secid); 1370 } 1371 EXPORT_SYMBOL(security_socket_getpeersec_dgram); 1372 1373 int security_sk_alloc(struct sock *sk, int family, gfp_t priority) 1374 { 1375 return call_int_hook(sk_alloc_security, 0, sk, family, priority); 1376 } 1377 1378 void security_sk_free(struct sock *sk) 1379 { 1380 call_void_hook(sk_free_security, sk); 1381 } 1382 1383 void security_sk_clone(const struct sock *sk, struct sock *newsk) 1384 { 1385 call_void_hook(sk_clone_security, sk, newsk); 1386 } 1387 EXPORT_SYMBOL(security_sk_clone); 1388 1389 void security_sk_classify_flow(struct sock *sk, struct flowi *fl) 1390 { 1391 call_void_hook(sk_getsecid, sk, &fl->flowi_secid); 1392 } 1393 EXPORT_SYMBOL(security_sk_classify_flow); 1394 1395 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) 1396 { 1397 call_void_hook(req_classify_flow, req, fl); 1398 } 1399 EXPORT_SYMBOL(security_req_classify_flow); 1400 1401 void security_sock_graft(struct sock *sk, struct socket *parent) 1402 { 1403 call_void_hook(sock_graft, sk, parent); 1404 } 1405 EXPORT_SYMBOL(security_sock_graft); 1406 1407 int security_inet_conn_request(struct sock *sk, 1408 struct sk_buff *skb, struct request_sock *req) 1409 { 1410 return call_int_hook(inet_conn_request, 0, sk, skb, req); 1411 } 1412 EXPORT_SYMBOL(security_inet_conn_request); 1413 1414 void security_inet_csk_clone(struct sock *newsk, 1415 const struct request_sock *req) 1416 { 1417 call_void_hook(inet_csk_clone, newsk, req); 1418 } 1419 1420 void security_inet_conn_established(struct sock *sk, 1421 struct sk_buff *skb) 1422 { 1423 call_void_hook(inet_conn_established, sk, skb); 1424 } 1425 1426 int security_secmark_relabel_packet(u32 secid) 1427 { 1428 return call_int_hook(secmark_relabel_packet, 0, secid); 1429 } 1430 EXPORT_SYMBOL(security_secmark_relabel_packet); 1431 1432 void security_secmark_refcount_inc(void) 1433 { 1434 call_void_hook(secmark_refcount_inc); 1435 } 1436 EXPORT_SYMBOL(security_secmark_refcount_inc); 1437 1438 void security_secmark_refcount_dec(void) 1439 { 1440 call_void_hook(secmark_refcount_dec); 1441 } 1442 EXPORT_SYMBOL(security_secmark_refcount_dec); 1443 1444 int security_tun_dev_alloc_security(void **security) 1445 { 1446 return call_int_hook(tun_dev_alloc_security, 0, security); 1447 } 1448 EXPORT_SYMBOL(security_tun_dev_alloc_security); 1449 1450 void security_tun_dev_free_security(void *security) 1451 { 1452 call_void_hook(tun_dev_free_security, security); 1453 } 1454 EXPORT_SYMBOL(security_tun_dev_free_security); 1455 1456 int security_tun_dev_create(void) 1457 { 1458 return call_int_hook(tun_dev_create, 0); 1459 } 1460 EXPORT_SYMBOL(security_tun_dev_create); 1461 1462 int security_tun_dev_attach_queue(void *security) 1463 { 1464 return call_int_hook(tun_dev_attach_queue, 0, security); 1465 } 1466 EXPORT_SYMBOL(security_tun_dev_attach_queue); 1467 1468 int security_tun_dev_attach(struct sock *sk, void *security) 1469 { 1470 return call_int_hook(tun_dev_attach, 0, sk, security); 1471 } 1472 EXPORT_SYMBOL(security_tun_dev_attach); 1473 1474 int security_tun_dev_open(void *security) 1475 { 1476 return call_int_hook(tun_dev_open, 0, security); 1477 } 1478 EXPORT_SYMBOL(security_tun_dev_open); 1479 1480 #endif /* CONFIG_SECURITY_NETWORK */ 1481 1482 #ifdef CONFIG_SECURITY_NETWORK_XFRM 1483 1484 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, 1485 struct xfrm_user_sec_ctx *sec_ctx, 1486 gfp_t gfp) 1487 { 1488 return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); 1489 } 1490 EXPORT_SYMBOL(security_xfrm_policy_alloc); 1491 1492 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, 1493 struct xfrm_sec_ctx **new_ctxp) 1494 { 1495 return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); 1496 } 1497 1498 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) 1499 { 1500 call_void_hook(xfrm_policy_free_security, ctx); 1501 } 1502 EXPORT_SYMBOL(security_xfrm_policy_free); 1503 1504 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) 1505 { 1506 return call_int_hook(xfrm_policy_delete_security, 0, ctx); 1507 } 1508 1509 int security_xfrm_state_alloc(struct xfrm_state *x, 1510 struct xfrm_user_sec_ctx *sec_ctx) 1511 { 1512 return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); 1513 } 1514 EXPORT_SYMBOL(security_xfrm_state_alloc); 1515 1516 int security_xfrm_state_alloc_acquire(struct xfrm_state *x, 1517 struct xfrm_sec_ctx *polsec, u32 secid) 1518 { 1519 return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); 1520 } 1521 1522 int security_xfrm_state_delete(struct xfrm_state *x) 1523 { 1524 return call_int_hook(xfrm_state_delete_security, 0, x); 1525 } 1526 EXPORT_SYMBOL(security_xfrm_state_delete); 1527 1528 void security_xfrm_state_free(struct xfrm_state *x) 1529 { 1530 call_void_hook(xfrm_state_free_security, x); 1531 } 1532 1533 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) 1534 { 1535 return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); 1536 } 1537 1538 int security_xfrm_state_pol_flow_match(struct xfrm_state *x, 1539 struct xfrm_policy *xp, 1540 const struct flowi *fl) 1541 { 1542 struct security_hook_list *hp; 1543 int rc = 1; 1544 1545 /* 1546 * Since this function is expected to return 0 or 1, the judgment 1547 * becomes difficult if multiple LSMs supply this call. Fortunately, 1548 * we can use the first LSM's judgment because currently only SELinux 1549 * supplies this call. 1550 * 1551 * For speed optimization, we explicitly break the loop rather than 1552 * using the macro 1553 */ 1554 list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, 1555 list) { 1556 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); 1557 break; 1558 } 1559 return rc; 1560 } 1561 1562 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) 1563 { 1564 return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); 1565 } 1566 1567 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) 1568 { 1569 int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, 1570 0); 1571 1572 BUG_ON(rc); 1573 } 1574 EXPORT_SYMBOL(security_skb_classify_flow); 1575 1576 #endif /* CONFIG_SECURITY_NETWORK_XFRM */ 1577 1578 #ifdef CONFIG_KEYS 1579 1580 int security_key_alloc(struct key *key, const struct cred *cred, 1581 unsigned long flags) 1582 { 1583 return call_int_hook(key_alloc, 0, key, cred, flags); 1584 } 1585 1586 void security_key_free(struct key *key) 1587 { 1588 call_void_hook(key_free, key); 1589 } 1590 1591 int security_key_permission(key_ref_t key_ref, 1592 const struct cred *cred, unsigned perm) 1593 { 1594 return call_int_hook(key_permission, 0, key_ref, cred, perm); 1595 } 1596 1597 int security_key_getsecurity(struct key *key, char **_buffer) 1598 { 1599 *_buffer = NULL; 1600 return call_int_hook(key_getsecurity, 0, key, _buffer); 1601 } 1602 1603 #endif /* CONFIG_KEYS */ 1604 1605 #ifdef CONFIG_AUDIT 1606 1607 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) 1608 { 1609 return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); 1610 } 1611 1612 int security_audit_rule_known(struct audit_krule *krule) 1613 { 1614 return call_int_hook(audit_rule_known, 0, krule); 1615 } 1616 1617 void security_audit_rule_free(void *lsmrule) 1618 { 1619 call_void_hook(audit_rule_free, lsmrule); 1620 } 1621 1622 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, 1623 struct audit_context *actx) 1624 { 1625 return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, 1626 actx); 1627 } 1628 #endif /* CONFIG_AUDIT */ 1629 1630 struct security_hook_heads security_hook_heads = { 1631 .binder_set_context_mgr = 1632 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr), 1633 .binder_transaction = 1634 LIST_HEAD_INIT(security_hook_heads.binder_transaction), 1635 .binder_transfer_binder = 1636 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder), 1637 .binder_transfer_file = 1638 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file), 1639 1640 .ptrace_access_check = 1641 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check), 1642 .ptrace_traceme = 1643 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme), 1644 .capget = LIST_HEAD_INIT(security_hook_heads.capget), 1645 .capset = LIST_HEAD_INIT(security_hook_heads.capset), 1646 .capable = LIST_HEAD_INIT(security_hook_heads.capable), 1647 .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl), 1648 .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on), 1649 .syslog = LIST_HEAD_INIT(security_hook_heads.syslog), 1650 .settime = LIST_HEAD_INIT(security_hook_heads.settime), 1651 .vm_enough_memory = 1652 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory), 1653 .bprm_set_creds = 1654 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds), 1655 .bprm_check_security = 1656 LIST_HEAD_INIT(security_hook_heads.bprm_check_security), 1657 .bprm_secureexec = 1658 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec), 1659 .bprm_committing_creds = 1660 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds), 1661 .bprm_committed_creds = 1662 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds), 1663 .sb_alloc_security = 1664 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security), 1665 .sb_free_security = 1666 LIST_HEAD_INIT(security_hook_heads.sb_free_security), 1667 .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data), 1668 .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount), 1669 .sb_kern_mount = 1670 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount), 1671 .sb_show_options = 1672 LIST_HEAD_INIT(security_hook_heads.sb_show_options), 1673 .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs), 1674 .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount), 1675 .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount), 1676 .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot), 1677 .sb_set_mnt_opts = 1678 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts), 1679 .sb_clone_mnt_opts = 1680 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts), 1681 .sb_parse_opts_str = 1682 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str), 1683 .dentry_init_security = 1684 LIST_HEAD_INIT(security_hook_heads.dentry_init_security), 1685 .dentry_create_files_as = 1686 LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as), 1687 #ifdef CONFIG_SECURITY_PATH 1688 .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink), 1689 .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir), 1690 .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir), 1691 .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod), 1692 .path_truncate = 1693 LIST_HEAD_INIT(security_hook_heads.path_truncate), 1694 .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink), 1695 .path_link = LIST_HEAD_INIT(security_hook_heads.path_link), 1696 .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename), 1697 .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod), 1698 .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown), 1699 .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot), 1700 #endif 1701 .inode_alloc_security = 1702 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security), 1703 .inode_free_security = 1704 LIST_HEAD_INIT(security_hook_heads.inode_free_security), 1705 .inode_init_security = 1706 LIST_HEAD_INIT(security_hook_heads.inode_init_security), 1707 .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create), 1708 .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link), 1709 .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink), 1710 .inode_symlink = 1711 LIST_HEAD_INIT(security_hook_heads.inode_symlink), 1712 .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir), 1713 .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir), 1714 .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod), 1715 .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename), 1716 .inode_readlink = 1717 LIST_HEAD_INIT(security_hook_heads.inode_readlink), 1718 .inode_follow_link = 1719 LIST_HEAD_INIT(security_hook_heads.inode_follow_link), 1720 .inode_permission = 1721 LIST_HEAD_INIT(security_hook_heads.inode_permission), 1722 .inode_setattr = 1723 LIST_HEAD_INIT(security_hook_heads.inode_setattr), 1724 .inode_getattr = 1725 LIST_HEAD_INIT(security_hook_heads.inode_getattr), 1726 .inode_setxattr = 1727 LIST_HEAD_INIT(security_hook_heads.inode_setxattr), 1728 .inode_post_setxattr = 1729 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr), 1730 .inode_getxattr = 1731 LIST_HEAD_INIT(security_hook_heads.inode_getxattr), 1732 .inode_listxattr = 1733 LIST_HEAD_INIT(security_hook_heads.inode_listxattr), 1734 .inode_removexattr = 1735 LIST_HEAD_INIT(security_hook_heads.inode_removexattr), 1736 .inode_need_killpriv = 1737 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv), 1738 .inode_killpriv = 1739 LIST_HEAD_INIT(security_hook_heads.inode_killpriv), 1740 .inode_getsecurity = 1741 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity), 1742 .inode_setsecurity = 1743 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity), 1744 .inode_listsecurity = 1745 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity), 1746 .inode_getsecid = 1747 LIST_HEAD_INIT(security_hook_heads.inode_getsecid), 1748 .inode_copy_up = 1749 LIST_HEAD_INIT(security_hook_heads.inode_copy_up), 1750 .inode_copy_up_xattr = 1751 LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr), 1752 .file_permission = 1753 LIST_HEAD_INIT(security_hook_heads.file_permission), 1754 .file_alloc_security = 1755 LIST_HEAD_INIT(security_hook_heads.file_alloc_security), 1756 .file_free_security = 1757 LIST_HEAD_INIT(security_hook_heads.file_free_security), 1758 .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl), 1759 .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr), 1760 .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file), 1761 .file_mprotect = 1762 LIST_HEAD_INIT(security_hook_heads.file_mprotect), 1763 .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock), 1764 .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl), 1765 .file_set_fowner = 1766 LIST_HEAD_INIT(security_hook_heads.file_set_fowner), 1767 .file_send_sigiotask = 1768 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask), 1769 .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive), 1770 .file_open = LIST_HEAD_INIT(security_hook_heads.file_open), 1771 .task_create = LIST_HEAD_INIT(security_hook_heads.task_create), 1772 .task_free = LIST_HEAD_INIT(security_hook_heads.task_free), 1773 .cred_alloc_blank = 1774 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank), 1775 .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free), 1776 .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare), 1777 .cred_transfer = 1778 LIST_HEAD_INIT(security_hook_heads.cred_transfer), 1779 .kernel_act_as = 1780 LIST_HEAD_INIT(security_hook_heads.kernel_act_as), 1781 .kernel_create_files_as = 1782 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as), 1783 .kernel_module_request = 1784 LIST_HEAD_INIT(security_hook_heads.kernel_module_request), 1785 .kernel_read_file = 1786 LIST_HEAD_INIT(security_hook_heads.kernel_read_file), 1787 .kernel_post_read_file = 1788 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file), 1789 .task_fix_setuid = 1790 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid), 1791 .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid), 1792 .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid), 1793 .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid), 1794 .task_getsecid = 1795 LIST_HEAD_INIT(security_hook_heads.task_getsecid), 1796 .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice), 1797 .task_setioprio = 1798 LIST_HEAD_INIT(security_hook_heads.task_setioprio), 1799 .task_getioprio = 1800 LIST_HEAD_INIT(security_hook_heads.task_getioprio), 1801 .task_setrlimit = 1802 LIST_HEAD_INIT(security_hook_heads.task_setrlimit), 1803 .task_setscheduler = 1804 LIST_HEAD_INIT(security_hook_heads.task_setscheduler), 1805 .task_getscheduler = 1806 LIST_HEAD_INIT(security_hook_heads.task_getscheduler), 1807 .task_movememory = 1808 LIST_HEAD_INIT(security_hook_heads.task_movememory), 1809 .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill), 1810 .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait), 1811 .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl), 1812 .task_to_inode = 1813 LIST_HEAD_INIT(security_hook_heads.task_to_inode), 1814 .ipc_permission = 1815 LIST_HEAD_INIT(security_hook_heads.ipc_permission), 1816 .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid), 1817 .msg_msg_alloc_security = 1818 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security), 1819 .msg_msg_free_security = 1820 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security), 1821 .msg_queue_alloc_security = 1822 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security), 1823 .msg_queue_free_security = 1824 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security), 1825 .msg_queue_associate = 1826 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate), 1827 .msg_queue_msgctl = 1828 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl), 1829 .msg_queue_msgsnd = 1830 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd), 1831 .msg_queue_msgrcv = 1832 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv), 1833 .shm_alloc_security = 1834 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security), 1835 .shm_free_security = 1836 LIST_HEAD_INIT(security_hook_heads.shm_free_security), 1837 .shm_associate = 1838 LIST_HEAD_INIT(security_hook_heads.shm_associate), 1839 .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl), 1840 .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat), 1841 .sem_alloc_security = 1842 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security), 1843 .sem_free_security = 1844 LIST_HEAD_INIT(security_hook_heads.sem_free_security), 1845 .sem_associate = 1846 LIST_HEAD_INIT(security_hook_heads.sem_associate), 1847 .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl), 1848 .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop), 1849 .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send), 1850 .d_instantiate = 1851 LIST_HEAD_INIT(security_hook_heads.d_instantiate), 1852 .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr), 1853 .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr), 1854 .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel), 1855 .secid_to_secctx = 1856 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx), 1857 .secctx_to_secid = 1858 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid), 1859 .release_secctx = 1860 LIST_HEAD_INIT(security_hook_heads.release_secctx), 1861 .inode_invalidate_secctx = 1862 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx), 1863 .inode_notifysecctx = 1864 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx), 1865 .inode_setsecctx = 1866 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx), 1867 .inode_getsecctx = 1868 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx), 1869 #ifdef CONFIG_SECURITY_NETWORK 1870 .unix_stream_connect = 1871 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect), 1872 .unix_may_send = 1873 LIST_HEAD_INIT(security_hook_heads.unix_may_send), 1874 .socket_create = 1875 LIST_HEAD_INIT(security_hook_heads.socket_create), 1876 .socket_post_create = 1877 LIST_HEAD_INIT(security_hook_heads.socket_post_create), 1878 .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind), 1879 .socket_connect = 1880 LIST_HEAD_INIT(security_hook_heads.socket_connect), 1881 .socket_listen = 1882 LIST_HEAD_INIT(security_hook_heads.socket_listen), 1883 .socket_accept = 1884 LIST_HEAD_INIT(security_hook_heads.socket_accept), 1885 .socket_sendmsg = 1886 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg), 1887 .socket_recvmsg = 1888 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg), 1889 .socket_getsockname = 1890 LIST_HEAD_INIT(security_hook_heads.socket_getsockname), 1891 .socket_getpeername = 1892 LIST_HEAD_INIT(security_hook_heads.socket_getpeername), 1893 .socket_getsockopt = 1894 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt), 1895 .socket_setsockopt = 1896 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt), 1897 .socket_shutdown = 1898 LIST_HEAD_INIT(security_hook_heads.socket_shutdown), 1899 .socket_sock_rcv_skb = 1900 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb), 1901 .socket_getpeersec_stream = 1902 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream), 1903 .socket_getpeersec_dgram = 1904 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram), 1905 .sk_alloc_security = 1906 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security), 1907 .sk_free_security = 1908 LIST_HEAD_INIT(security_hook_heads.sk_free_security), 1909 .sk_clone_security = 1910 LIST_HEAD_INIT(security_hook_heads.sk_clone_security), 1911 .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid), 1912 .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft), 1913 .inet_conn_request = 1914 LIST_HEAD_INIT(security_hook_heads.inet_conn_request), 1915 .inet_csk_clone = 1916 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone), 1917 .inet_conn_established = 1918 LIST_HEAD_INIT(security_hook_heads.inet_conn_established), 1919 .secmark_relabel_packet = 1920 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet), 1921 .secmark_refcount_inc = 1922 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc), 1923 .secmark_refcount_dec = 1924 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec), 1925 .req_classify_flow = 1926 LIST_HEAD_INIT(security_hook_heads.req_classify_flow), 1927 .tun_dev_alloc_security = 1928 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security), 1929 .tun_dev_free_security = 1930 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security), 1931 .tun_dev_create = 1932 LIST_HEAD_INIT(security_hook_heads.tun_dev_create), 1933 .tun_dev_attach_queue = 1934 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue), 1935 .tun_dev_attach = 1936 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach), 1937 .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open), 1938 #endif /* CONFIG_SECURITY_NETWORK */ 1939 #ifdef CONFIG_SECURITY_NETWORK_XFRM 1940 .xfrm_policy_alloc_security = 1941 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security), 1942 .xfrm_policy_clone_security = 1943 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security), 1944 .xfrm_policy_free_security = 1945 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security), 1946 .xfrm_policy_delete_security = 1947 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security), 1948 .xfrm_state_alloc = 1949 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc), 1950 .xfrm_state_alloc_acquire = 1951 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire), 1952 .xfrm_state_free_security = 1953 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security), 1954 .xfrm_state_delete_security = 1955 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security), 1956 .xfrm_policy_lookup = 1957 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup), 1958 .xfrm_state_pol_flow_match = 1959 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match), 1960 .xfrm_decode_session = 1961 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session), 1962 #endif /* CONFIG_SECURITY_NETWORK_XFRM */ 1963 #ifdef CONFIG_KEYS 1964 .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc), 1965 .key_free = LIST_HEAD_INIT(security_hook_heads.key_free), 1966 .key_permission = 1967 LIST_HEAD_INIT(security_hook_heads.key_permission), 1968 .key_getsecurity = 1969 LIST_HEAD_INIT(security_hook_heads.key_getsecurity), 1970 #endif /* CONFIG_KEYS */ 1971 #ifdef CONFIG_AUDIT 1972 .audit_rule_init = 1973 LIST_HEAD_INIT(security_hook_heads.audit_rule_init), 1974 .audit_rule_known = 1975 LIST_HEAD_INIT(security_hook_heads.audit_rule_known), 1976 .audit_rule_match = 1977 LIST_HEAD_INIT(security_hook_heads.audit_rule_match), 1978 .audit_rule_free = 1979 LIST_HEAD_INIT(security_hook_heads.audit_rule_free), 1980 #endif /* CONFIG_AUDIT */ 1981 }; 1982