1 /* 2 * Security plug functions 3 * 4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> 5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> 6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 14 #include <linux/capability.h> 15 #include <linux/dcache.h> 16 #include <linux/module.h> 17 #include <linux/init.h> 18 #include <linux/kernel.h> 19 #include <linux/lsm_hooks.h> 20 #include <linux/integrity.h> 21 #include <linux/ima.h> 22 #include <linux/evm.h> 23 #include <linux/fsnotify.h> 24 #include <linux/mman.h> 25 #include <linux/mount.h> 26 #include <linux/personality.h> 27 #include <linux/backing-dev.h> 28 #include <net/flow.h> 29 30 #define MAX_LSM_EVM_XATTR 2 31 32 /* Maximum number of letters for an LSM name string */ 33 #define SECURITY_NAME_MAX 10 34 35 /* Boot-time LSM user choice */ 36 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = 37 CONFIG_DEFAULT_SECURITY; 38 39 static void __init do_security_initcalls(void) 40 { 41 initcall_t *call; 42 call = __security_initcall_start; 43 while (call < __security_initcall_end) { 44 (*call) (); 45 call++; 46 } 47 } 48 49 /** 50 * security_init - initializes the security framework 51 * 52 * This should be called early in the kernel initialization sequence. 53 */ 54 int __init security_init(void) 55 { 56 pr_info("Security Framework initialized\n"); 57 58 /* 59 * Load minor LSMs, with the capability module always first. 60 */ 61 capability_add_hooks(); 62 yama_add_hooks(); 63 loadpin_add_hooks(); 64 65 /* 66 * Load all the remaining security modules. 67 */ 68 do_security_initcalls(); 69 70 return 0; 71 } 72 73 /* Save user chosen LSM */ 74 static int __init choose_lsm(char *str) 75 { 76 strncpy(chosen_lsm, str, SECURITY_NAME_MAX); 77 return 1; 78 } 79 __setup("security=", choose_lsm); 80 81 /** 82 * security_module_enable - Load given security module on boot ? 83 * @module: the name of the module 84 * 85 * Each LSM must pass this method before registering its own operations 86 * to avoid security registration races. This method may also be used 87 * to check if your LSM is currently loaded during kernel initialization. 88 * 89 * Return true if: 90 * -The passed LSM is the one chosen by user at boot time, 91 * -or the passed LSM is configured as the default and the user did not 92 * choose an alternate LSM at boot time. 93 * Otherwise, return false. 94 */ 95 int __init security_module_enable(const char *module) 96 { 97 return !strcmp(module, chosen_lsm); 98 } 99 100 /* 101 * Hook list operation macros. 102 * 103 * call_void_hook: 104 * This is a hook that does not return a value. 105 * 106 * call_int_hook: 107 * This is a hook that returns a value. 108 */ 109 110 #define call_void_hook(FUNC, ...) \ 111 do { \ 112 struct security_hook_list *P; \ 113 \ 114 list_for_each_entry(P, &security_hook_heads.FUNC, list) \ 115 P->hook.FUNC(__VA_ARGS__); \ 116 } while (0) 117 118 #define call_int_hook(FUNC, IRC, ...) ({ \ 119 int RC = IRC; \ 120 do { \ 121 struct security_hook_list *P; \ 122 \ 123 list_for_each_entry(P, &security_hook_heads.FUNC, list) { \ 124 RC = P->hook.FUNC(__VA_ARGS__); \ 125 if (RC != 0) \ 126 break; \ 127 } \ 128 } while (0); \ 129 RC; \ 130 }) 131 132 /* Security operations */ 133 134 int security_binder_set_context_mgr(struct task_struct *mgr) 135 { 136 return call_int_hook(binder_set_context_mgr, 0, mgr); 137 } 138 139 int security_binder_transaction(struct task_struct *from, 140 struct task_struct *to) 141 { 142 return call_int_hook(binder_transaction, 0, from, to); 143 } 144 145 int security_binder_transfer_binder(struct task_struct *from, 146 struct task_struct *to) 147 { 148 return call_int_hook(binder_transfer_binder, 0, from, to); 149 } 150 151 int security_binder_transfer_file(struct task_struct *from, 152 struct task_struct *to, struct file *file) 153 { 154 return call_int_hook(binder_transfer_file, 0, from, to, file); 155 } 156 157 int security_ptrace_access_check(struct task_struct *child, unsigned int mode) 158 { 159 return call_int_hook(ptrace_access_check, 0, child, mode); 160 } 161 162 int security_ptrace_traceme(struct task_struct *parent) 163 { 164 return call_int_hook(ptrace_traceme, 0, parent); 165 } 166 167 int security_capget(struct task_struct *target, 168 kernel_cap_t *effective, 169 kernel_cap_t *inheritable, 170 kernel_cap_t *permitted) 171 { 172 return call_int_hook(capget, 0, target, 173 effective, inheritable, permitted); 174 } 175 176 int security_capset(struct cred *new, const struct cred *old, 177 const kernel_cap_t *effective, 178 const kernel_cap_t *inheritable, 179 const kernel_cap_t *permitted) 180 { 181 return call_int_hook(capset, 0, new, old, 182 effective, inheritable, permitted); 183 } 184 185 int security_capable(const struct cred *cred, struct user_namespace *ns, 186 int cap) 187 { 188 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT); 189 } 190 191 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, 192 int cap) 193 { 194 return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT); 195 } 196 197 int security_quotactl(int cmds, int type, int id, struct super_block *sb) 198 { 199 return call_int_hook(quotactl, 0, cmds, type, id, sb); 200 } 201 202 int security_quota_on(struct dentry *dentry) 203 { 204 return call_int_hook(quota_on, 0, dentry); 205 } 206 207 int security_syslog(int type) 208 { 209 return call_int_hook(syslog, 0, type); 210 } 211 212 int security_settime64(const struct timespec64 *ts, const struct timezone *tz) 213 { 214 return call_int_hook(settime, 0, ts, tz); 215 } 216 217 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) 218 { 219 struct security_hook_list *hp; 220 int cap_sys_admin = 1; 221 int rc; 222 223 /* 224 * The module will respond with a positive value if 225 * it thinks the __vm_enough_memory() call should be 226 * made with the cap_sys_admin set. If all of the modules 227 * agree that it should be set it will. If any module 228 * thinks it should not be set it won't. 229 */ 230 list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) { 231 rc = hp->hook.vm_enough_memory(mm, pages); 232 if (rc <= 0) { 233 cap_sys_admin = 0; 234 break; 235 } 236 } 237 return __vm_enough_memory(mm, pages, cap_sys_admin); 238 } 239 240 int security_bprm_set_creds(struct linux_binprm *bprm) 241 { 242 return call_int_hook(bprm_set_creds, 0, bprm); 243 } 244 245 int security_bprm_check(struct linux_binprm *bprm) 246 { 247 int ret; 248 249 ret = call_int_hook(bprm_check_security, 0, bprm); 250 if (ret) 251 return ret; 252 return ima_bprm_check(bprm); 253 } 254 255 void security_bprm_committing_creds(struct linux_binprm *bprm) 256 { 257 call_void_hook(bprm_committing_creds, bprm); 258 } 259 260 void security_bprm_committed_creds(struct linux_binprm *bprm) 261 { 262 call_void_hook(bprm_committed_creds, bprm); 263 } 264 265 int security_bprm_secureexec(struct linux_binprm *bprm) 266 { 267 return call_int_hook(bprm_secureexec, 0, bprm); 268 } 269 270 int security_sb_alloc(struct super_block *sb) 271 { 272 return call_int_hook(sb_alloc_security, 0, sb); 273 } 274 275 void security_sb_free(struct super_block *sb) 276 { 277 call_void_hook(sb_free_security, sb); 278 } 279 280 int security_sb_copy_data(char *orig, char *copy) 281 { 282 return call_int_hook(sb_copy_data, 0, orig, copy); 283 } 284 EXPORT_SYMBOL(security_sb_copy_data); 285 286 int security_sb_remount(struct super_block *sb, void *data) 287 { 288 return call_int_hook(sb_remount, 0, sb, data); 289 } 290 291 int security_sb_kern_mount(struct super_block *sb, int flags, void *data) 292 { 293 return call_int_hook(sb_kern_mount, 0, sb, flags, data); 294 } 295 296 int security_sb_show_options(struct seq_file *m, struct super_block *sb) 297 { 298 return call_int_hook(sb_show_options, 0, m, sb); 299 } 300 301 int security_sb_statfs(struct dentry *dentry) 302 { 303 return call_int_hook(sb_statfs, 0, dentry); 304 } 305 306 int security_sb_mount(const char *dev_name, const struct path *path, 307 const char *type, unsigned long flags, void *data) 308 { 309 return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data); 310 } 311 312 int security_sb_umount(struct vfsmount *mnt, int flags) 313 { 314 return call_int_hook(sb_umount, 0, mnt, flags); 315 } 316 317 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path) 318 { 319 return call_int_hook(sb_pivotroot, 0, old_path, new_path); 320 } 321 322 int security_sb_set_mnt_opts(struct super_block *sb, 323 struct security_mnt_opts *opts, 324 unsigned long kern_flags, 325 unsigned long *set_kern_flags) 326 { 327 return call_int_hook(sb_set_mnt_opts, 328 opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb, 329 opts, kern_flags, set_kern_flags); 330 } 331 EXPORT_SYMBOL(security_sb_set_mnt_opts); 332 333 int security_sb_clone_mnt_opts(const struct super_block *oldsb, 334 struct super_block *newsb) 335 { 336 return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb); 337 } 338 EXPORT_SYMBOL(security_sb_clone_mnt_opts); 339 340 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) 341 { 342 return call_int_hook(sb_parse_opts_str, 0, options, opts); 343 } 344 EXPORT_SYMBOL(security_sb_parse_opts_str); 345 346 int security_inode_alloc(struct inode *inode) 347 { 348 inode->i_security = NULL; 349 return call_int_hook(inode_alloc_security, 0, inode); 350 } 351 352 void security_inode_free(struct inode *inode) 353 { 354 integrity_inode_free(inode); 355 call_void_hook(inode_free_security, inode); 356 } 357 358 int security_dentry_init_security(struct dentry *dentry, int mode, 359 const struct qstr *name, void **ctx, 360 u32 *ctxlen) 361 { 362 return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode, 363 name, ctx, ctxlen); 364 } 365 EXPORT_SYMBOL(security_dentry_init_security); 366 367 int security_dentry_create_files_as(struct dentry *dentry, int mode, 368 struct qstr *name, 369 const struct cred *old, struct cred *new) 370 { 371 return call_int_hook(dentry_create_files_as, 0, dentry, mode, 372 name, old, new); 373 } 374 EXPORT_SYMBOL(security_dentry_create_files_as); 375 376 int security_inode_init_security(struct inode *inode, struct inode *dir, 377 const struct qstr *qstr, 378 const initxattrs initxattrs, void *fs_data) 379 { 380 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; 381 struct xattr *lsm_xattr, *evm_xattr, *xattr; 382 int ret; 383 384 if (unlikely(IS_PRIVATE(inode))) 385 return 0; 386 387 if (!initxattrs) 388 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, 389 dir, qstr, NULL, NULL, NULL); 390 memset(new_xattrs, 0, sizeof(new_xattrs)); 391 lsm_xattr = new_xattrs; 392 ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, 393 &lsm_xattr->name, 394 &lsm_xattr->value, 395 &lsm_xattr->value_len); 396 if (ret) 397 goto out; 398 399 evm_xattr = lsm_xattr + 1; 400 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); 401 if (ret) 402 goto out; 403 ret = initxattrs(inode, new_xattrs, fs_data); 404 out: 405 for (xattr = new_xattrs; xattr->value != NULL; xattr++) 406 kfree(xattr->value); 407 return (ret == -EOPNOTSUPP) ? 0 : ret; 408 } 409 EXPORT_SYMBOL(security_inode_init_security); 410 411 int security_old_inode_init_security(struct inode *inode, struct inode *dir, 412 const struct qstr *qstr, const char **name, 413 void **value, size_t *len) 414 { 415 if (unlikely(IS_PRIVATE(inode))) 416 return -EOPNOTSUPP; 417 return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, 418 qstr, name, value, len); 419 } 420 EXPORT_SYMBOL(security_old_inode_init_security); 421 422 #ifdef CONFIG_SECURITY_PATH 423 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode, 424 unsigned int dev) 425 { 426 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 427 return 0; 428 return call_int_hook(path_mknod, 0, dir, dentry, mode, dev); 429 } 430 EXPORT_SYMBOL(security_path_mknod); 431 432 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode) 433 { 434 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 435 return 0; 436 return call_int_hook(path_mkdir, 0, dir, dentry, mode); 437 } 438 EXPORT_SYMBOL(security_path_mkdir); 439 440 int security_path_rmdir(const struct path *dir, struct dentry *dentry) 441 { 442 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 443 return 0; 444 return call_int_hook(path_rmdir, 0, dir, dentry); 445 } 446 447 int security_path_unlink(const struct path *dir, struct dentry *dentry) 448 { 449 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 450 return 0; 451 return call_int_hook(path_unlink, 0, dir, dentry); 452 } 453 EXPORT_SYMBOL(security_path_unlink); 454 455 int security_path_symlink(const struct path *dir, struct dentry *dentry, 456 const char *old_name) 457 { 458 if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry)))) 459 return 0; 460 return call_int_hook(path_symlink, 0, dir, dentry, old_name); 461 } 462 463 int security_path_link(struct dentry *old_dentry, const struct path *new_dir, 464 struct dentry *new_dentry) 465 { 466 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) 467 return 0; 468 return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry); 469 } 470 471 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry, 472 const struct path *new_dir, struct dentry *new_dentry, 473 unsigned int flags) 474 { 475 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || 476 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) 477 return 0; 478 479 if (flags & RENAME_EXCHANGE) { 480 int err = call_int_hook(path_rename, 0, new_dir, new_dentry, 481 old_dir, old_dentry); 482 if (err) 483 return err; 484 } 485 486 return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir, 487 new_dentry); 488 } 489 EXPORT_SYMBOL(security_path_rename); 490 491 int security_path_truncate(const struct path *path) 492 { 493 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 494 return 0; 495 return call_int_hook(path_truncate, 0, path); 496 } 497 498 int security_path_chmod(const struct path *path, umode_t mode) 499 { 500 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 501 return 0; 502 return call_int_hook(path_chmod, 0, path, mode); 503 } 504 505 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid) 506 { 507 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 508 return 0; 509 return call_int_hook(path_chown, 0, path, uid, gid); 510 } 511 512 int security_path_chroot(const struct path *path) 513 { 514 return call_int_hook(path_chroot, 0, path); 515 } 516 #endif 517 518 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) 519 { 520 if (unlikely(IS_PRIVATE(dir))) 521 return 0; 522 return call_int_hook(inode_create, 0, dir, dentry, mode); 523 } 524 EXPORT_SYMBOL_GPL(security_inode_create); 525 526 int security_inode_link(struct dentry *old_dentry, struct inode *dir, 527 struct dentry *new_dentry) 528 { 529 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)))) 530 return 0; 531 return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry); 532 } 533 534 int security_inode_unlink(struct inode *dir, struct dentry *dentry) 535 { 536 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 537 return 0; 538 return call_int_hook(inode_unlink, 0, dir, dentry); 539 } 540 541 int security_inode_symlink(struct inode *dir, struct dentry *dentry, 542 const char *old_name) 543 { 544 if (unlikely(IS_PRIVATE(dir))) 545 return 0; 546 return call_int_hook(inode_symlink, 0, dir, dentry, old_name); 547 } 548 549 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) 550 { 551 if (unlikely(IS_PRIVATE(dir))) 552 return 0; 553 return call_int_hook(inode_mkdir, 0, dir, dentry, mode); 554 } 555 EXPORT_SYMBOL_GPL(security_inode_mkdir); 556 557 int security_inode_rmdir(struct inode *dir, struct dentry *dentry) 558 { 559 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 560 return 0; 561 return call_int_hook(inode_rmdir, 0, dir, dentry); 562 } 563 564 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) 565 { 566 if (unlikely(IS_PRIVATE(dir))) 567 return 0; 568 return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev); 569 } 570 571 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, 572 struct inode *new_dir, struct dentry *new_dentry, 573 unsigned int flags) 574 { 575 if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) || 576 (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry))))) 577 return 0; 578 579 if (flags & RENAME_EXCHANGE) { 580 int err = call_int_hook(inode_rename, 0, new_dir, new_dentry, 581 old_dir, old_dentry); 582 if (err) 583 return err; 584 } 585 586 return call_int_hook(inode_rename, 0, old_dir, old_dentry, 587 new_dir, new_dentry); 588 } 589 590 int security_inode_readlink(struct dentry *dentry) 591 { 592 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 593 return 0; 594 return call_int_hook(inode_readlink, 0, dentry); 595 } 596 597 int security_inode_follow_link(struct dentry *dentry, struct inode *inode, 598 bool rcu) 599 { 600 if (unlikely(IS_PRIVATE(inode))) 601 return 0; 602 return call_int_hook(inode_follow_link, 0, dentry, inode, rcu); 603 } 604 605 int security_inode_permission(struct inode *inode, int mask) 606 { 607 if (unlikely(IS_PRIVATE(inode))) 608 return 0; 609 return call_int_hook(inode_permission, 0, inode, mask); 610 } 611 612 int security_inode_setattr(struct dentry *dentry, struct iattr *attr) 613 { 614 int ret; 615 616 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 617 return 0; 618 ret = call_int_hook(inode_setattr, 0, dentry, attr); 619 if (ret) 620 return ret; 621 return evm_inode_setattr(dentry, attr); 622 } 623 EXPORT_SYMBOL_GPL(security_inode_setattr); 624 625 int security_inode_getattr(const struct path *path) 626 { 627 if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry)))) 628 return 0; 629 return call_int_hook(inode_getattr, 0, path); 630 } 631 632 int security_inode_setxattr(struct dentry *dentry, const char *name, 633 const void *value, size_t size, int flags) 634 { 635 int ret; 636 637 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 638 return 0; 639 /* 640 * SELinux and Smack integrate the cap call, 641 * so assume that all LSMs supplying this call do so. 642 */ 643 ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size, 644 flags); 645 646 if (ret == 1) 647 ret = cap_inode_setxattr(dentry, name, value, size, flags); 648 if (ret) 649 return ret; 650 ret = ima_inode_setxattr(dentry, name, value, size); 651 if (ret) 652 return ret; 653 return evm_inode_setxattr(dentry, name, value, size); 654 } 655 656 void security_inode_post_setxattr(struct dentry *dentry, const char *name, 657 const void *value, size_t size, int flags) 658 { 659 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 660 return; 661 call_void_hook(inode_post_setxattr, dentry, name, value, size, flags); 662 evm_inode_post_setxattr(dentry, name, value, size); 663 } 664 665 int security_inode_getxattr(struct dentry *dentry, const char *name) 666 { 667 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 668 return 0; 669 return call_int_hook(inode_getxattr, 0, dentry, name); 670 } 671 672 int security_inode_listxattr(struct dentry *dentry) 673 { 674 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 675 return 0; 676 return call_int_hook(inode_listxattr, 0, dentry); 677 } 678 679 int security_inode_removexattr(struct dentry *dentry, const char *name) 680 { 681 int ret; 682 683 if (unlikely(IS_PRIVATE(d_backing_inode(dentry)))) 684 return 0; 685 /* 686 * SELinux and Smack integrate the cap call, 687 * so assume that all LSMs supplying this call do so. 688 */ 689 ret = call_int_hook(inode_removexattr, 1, dentry, name); 690 if (ret == 1) 691 ret = cap_inode_removexattr(dentry, name); 692 if (ret) 693 return ret; 694 ret = ima_inode_removexattr(dentry, name); 695 if (ret) 696 return ret; 697 return evm_inode_removexattr(dentry, name); 698 } 699 700 int security_inode_need_killpriv(struct dentry *dentry) 701 { 702 return call_int_hook(inode_need_killpriv, 0, dentry); 703 } 704 705 int security_inode_killpriv(struct dentry *dentry) 706 { 707 return call_int_hook(inode_killpriv, 0, dentry); 708 } 709 710 int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) 711 { 712 struct security_hook_list *hp; 713 int rc; 714 715 if (unlikely(IS_PRIVATE(inode))) 716 return -EOPNOTSUPP; 717 /* 718 * Only one module will provide an attribute with a given name. 719 */ 720 list_for_each_entry(hp, &security_hook_heads.inode_getsecurity, list) { 721 rc = hp->hook.inode_getsecurity(inode, name, buffer, alloc); 722 if (rc != -EOPNOTSUPP) 723 return rc; 724 } 725 return -EOPNOTSUPP; 726 } 727 728 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) 729 { 730 struct security_hook_list *hp; 731 int rc; 732 733 if (unlikely(IS_PRIVATE(inode))) 734 return -EOPNOTSUPP; 735 /* 736 * Only one module will provide an attribute with a given name. 737 */ 738 list_for_each_entry(hp, &security_hook_heads.inode_setsecurity, list) { 739 rc = hp->hook.inode_setsecurity(inode, name, value, size, 740 flags); 741 if (rc != -EOPNOTSUPP) 742 return rc; 743 } 744 return -EOPNOTSUPP; 745 } 746 747 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) 748 { 749 if (unlikely(IS_PRIVATE(inode))) 750 return 0; 751 return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size); 752 } 753 EXPORT_SYMBOL(security_inode_listsecurity); 754 755 void security_inode_getsecid(struct inode *inode, u32 *secid) 756 { 757 call_void_hook(inode_getsecid, inode, secid); 758 } 759 760 int security_inode_copy_up(struct dentry *src, struct cred **new) 761 { 762 return call_int_hook(inode_copy_up, 0, src, new); 763 } 764 EXPORT_SYMBOL(security_inode_copy_up); 765 766 int security_inode_copy_up_xattr(const char *name) 767 { 768 return call_int_hook(inode_copy_up_xattr, -EOPNOTSUPP, name); 769 } 770 EXPORT_SYMBOL(security_inode_copy_up_xattr); 771 772 int security_file_permission(struct file *file, int mask) 773 { 774 int ret; 775 776 ret = call_int_hook(file_permission, 0, file, mask); 777 if (ret) 778 return ret; 779 780 return fsnotify_perm(file, mask); 781 } 782 783 int security_file_alloc(struct file *file) 784 { 785 return call_int_hook(file_alloc_security, 0, file); 786 } 787 788 void security_file_free(struct file *file) 789 { 790 call_void_hook(file_free_security, file); 791 } 792 793 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 794 { 795 return call_int_hook(file_ioctl, 0, file, cmd, arg); 796 } 797 798 static inline unsigned long mmap_prot(struct file *file, unsigned long prot) 799 { 800 /* 801 * Does we have PROT_READ and does the application expect 802 * it to imply PROT_EXEC? If not, nothing to talk about... 803 */ 804 if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) 805 return prot; 806 if (!(current->personality & READ_IMPLIES_EXEC)) 807 return prot; 808 /* 809 * if that's an anonymous mapping, let it. 810 */ 811 if (!file) 812 return prot | PROT_EXEC; 813 /* 814 * ditto if it's not on noexec mount, except that on !MMU we need 815 * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case 816 */ 817 if (!path_noexec(&file->f_path)) { 818 #ifndef CONFIG_MMU 819 if (file->f_op->mmap_capabilities) { 820 unsigned caps = file->f_op->mmap_capabilities(file); 821 if (!(caps & NOMMU_MAP_EXEC)) 822 return prot; 823 } 824 #endif 825 return prot | PROT_EXEC; 826 } 827 /* anything on noexec mount won't get PROT_EXEC */ 828 return prot; 829 } 830 831 int security_mmap_file(struct file *file, unsigned long prot, 832 unsigned long flags) 833 { 834 int ret; 835 ret = call_int_hook(mmap_file, 0, file, prot, 836 mmap_prot(file, prot), flags); 837 if (ret) 838 return ret; 839 return ima_file_mmap(file, prot); 840 } 841 842 int security_mmap_addr(unsigned long addr) 843 { 844 return call_int_hook(mmap_addr, 0, addr); 845 } 846 847 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, 848 unsigned long prot) 849 { 850 return call_int_hook(file_mprotect, 0, vma, reqprot, prot); 851 } 852 853 int security_file_lock(struct file *file, unsigned int cmd) 854 { 855 return call_int_hook(file_lock, 0, file, cmd); 856 } 857 858 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) 859 { 860 return call_int_hook(file_fcntl, 0, file, cmd, arg); 861 } 862 863 void security_file_set_fowner(struct file *file) 864 { 865 call_void_hook(file_set_fowner, file); 866 } 867 868 int security_file_send_sigiotask(struct task_struct *tsk, 869 struct fown_struct *fown, int sig) 870 { 871 return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig); 872 } 873 874 int security_file_receive(struct file *file) 875 { 876 return call_int_hook(file_receive, 0, file); 877 } 878 879 int security_file_open(struct file *file, const struct cred *cred) 880 { 881 int ret; 882 883 ret = call_int_hook(file_open, 0, file, cred); 884 if (ret) 885 return ret; 886 887 return fsnotify_perm(file, MAY_OPEN); 888 } 889 890 int security_task_create(unsigned long clone_flags) 891 { 892 return call_int_hook(task_create, 0, clone_flags); 893 } 894 895 void security_task_free(struct task_struct *task) 896 { 897 call_void_hook(task_free, task); 898 } 899 900 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) 901 { 902 return call_int_hook(cred_alloc_blank, 0, cred, gfp); 903 } 904 905 void security_cred_free(struct cred *cred) 906 { 907 call_void_hook(cred_free, cred); 908 } 909 910 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) 911 { 912 return call_int_hook(cred_prepare, 0, new, old, gfp); 913 } 914 915 void security_transfer_creds(struct cred *new, const struct cred *old) 916 { 917 call_void_hook(cred_transfer, new, old); 918 } 919 920 int security_kernel_act_as(struct cred *new, u32 secid) 921 { 922 return call_int_hook(kernel_act_as, 0, new, secid); 923 } 924 925 int security_kernel_create_files_as(struct cred *new, struct inode *inode) 926 { 927 return call_int_hook(kernel_create_files_as, 0, new, inode); 928 } 929 930 int security_kernel_module_request(char *kmod_name) 931 { 932 return call_int_hook(kernel_module_request, 0, kmod_name); 933 } 934 935 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id) 936 { 937 int ret; 938 939 ret = call_int_hook(kernel_read_file, 0, file, id); 940 if (ret) 941 return ret; 942 return ima_read_file(file, id); 943 } 944 EXPORT_SYMBOL_GPL(security_kernel_read_file); 945 946 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size, 947 enum kernel_read_file_id id) 948 { 949 int ret; 950 951 ret = call_int_hook(kernel_post_read_file, 0, file, buf, size, id); 952 if (ret) 953 return ret; 954 return ima_post_read_file(file, buf, size, id); 955 } 956 EXPORT_SYMBOL_GPL(security_kernel_post_read_file); 957 958 int security_task_fix_setuid(struct cred *new, const struct cred *old, 959 int flags) 960 { 961 return call_int_hook(task_fix_setuid, 0, new, old, flags); 962 } 963 964 int security_task_setpgid(struct task_struct *p, pid_t pgid) 965 { 966 return call_int_hook(task_setpgid, 0, p, pgid); 967 } 968 969 int security_task_getpgid(struct task_struct *p) 970 { 971 return call_int_hook(task_getpgid, 0, p); 972 } 973 974 int security_task_getsid(struct task_struct *p) 975 { 976 return call_int_hook(task_getsid, 0, p); 977 } 978 979 void security_task_getsecid(struct task_struct *p, u32 *secid) 980 { 981 *secid = 0; 982 call_void_hook(task_getsecid, p, secid); 983 } 984 EXPORT_SYMBOL(security_task_getsecid); 985 986 int security_task_setnice(struct task_struct *p, int nice) 987 { 988 return call_int_hook(task_setnice, 0, p, nice); 989 } 990 991 int security_task_setioprio(struct task_struct *p, int ioprio) 992 { 993 return call_int_hook(task_setioprio, 0, p, ioprio); 994 } 995 996 int security_task_getioprio(struct task_struct *p) 997 { 998 return call_int_hook(task_getioprio, 0, p); 999 } 1000 1001 int security_task_setrlimit(struct task_struct *p, unsigned int resource, 1002 struct rlimit *new_rlim) 1003 { 1004 return call_int_hook(task_setrlimit, 0, p, resource, new_rlim); 1005 } 1006 1007 int security_task_setscheduler(struct task_struct *p) 1008 { 1009 return call_int_hook(task_setscheduler, 0, p); 1010 } 1011 1012 int security_task_getscheduler(struct task_struct *p) 1013 { 1014 return call_int_hook(task_getscheduler, 0, p); 1015 } 1016 1017 int security_task_movememory(struct task_struct *p) 1018 { 1019 return call_int_hook(task_movememory, 0, p); 1020 } 1021 1022 int security_task_kill(struct task_struct *p, struct siginfo *info, 1023 int sig, u32 secid) 1024 { 1025 return call_int_hook(task_kill, 0, p, info, sig, secid); 1026 } 1027 1028 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, 1029 unsigned long arg4, unsigned long arg5) 1030 { 1031 int thisrc; 1032 int rc = -ENOSYS; 1033 struct security_hook_list *hp; 1034 1035 list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { 1036 thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); 1037 if (thisrc != -ENOSYS) { 1038 rc = thisrc; 1039 if (thisrc != 0) 1040 break; 1041 } 1042 } 1043 return rc; 1044 } 1045 1046 void security_task_to_inode(struct task_struct *p, struct inode *inode) 1047 { 1048 call_void_hook(task_to_inode, p, inode); 1049 } 1050 1051 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) 1052 { 1053 return call_int_hook(ipc_permission, 0, ipcp, flag); 1054 } 1055 1056 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) 1057 { 1058 *secid = 0; 1059 call_void_hook(ipc_getsecid, ipcp, secid); 1060 } 1061 1062 int security_msg_msg_alloc(struct msg_msg *msg) 1063 { 1064 return call_int_hook(msg_msg_alloc_security, 0, msg); 1065 } 1066 1067 void security_msg_msg_free(struct msg_msg *msg) 1068 { 1069 call_void_hook(msg_msg_free_security, msg); 1070 } 1071 1072 int security_msg_queue_alloc(struct msg_queue *msq) 1073 { 1074 return call_int_hook(msg_queue_alloc_security, 0, msq); 1075 } 1076 1077 void security_msg_queue_free(struct msg_queue *msq) 1078 { 1079 call_void_hook(msg_queue_free_security, msq); 1080 } 1081 1082 int security_msg_queue_associate(struct msg_queue *msq, int msqflg) 1083 { 1084 return call_int_hook(msg_queue_associate, 0, msq, msqflg); 1085 } 1086 1087 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) 1088 { 1089 return call_int_hook(msg_queue_msgctl, 0, msq, cmd); 1090 } 1091 1092 int security_msg_queue_msgsnd(struct msg_queue *msq, 1093 struct msg_msg *msg, int msqflg) 1094 { 1095 return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); 1096 } 1097 1098 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, 1099 struct task_struct *target, long type, int mode) 1100 { 1101 return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); 1102 } 1103 1104 int security_shm_alloc(struct shmid_kernel *shp) 1105 { 1106 return call_int_hook(shm_alloc_security, 0, shp); 1107 } 1108 1109 void security_shm_free(struct shmid_kernel *shp) 1110 { 1111 call_void_hook(shm_free_security, shp); 1112 } 1113 1114 int security_shm_associate(struct shmid_kernel *shp, int shmflg) 1115 { 1116 return call_int_hook(shm_associate, 0, shp, shmflg); 1117 } 1118 1119 int security_shm_shmctl(struct shmid_kernel *shp, int cmd) 1120 { 1121 return call_int_hook(shm_shmctl, 0, shp, cmd); 1122 } 1123 1124 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) 1125 { 1126 return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); 1127 } 1128 1129 int security_sem_alloc(struct sem_array *sma) 1130 { 1131 return call_int_hook(sem_alloc_security, 0, sma); 1132 } 1133 1134 void security_sem_free(struct sem_array *sma) 1135 { 1136 call_void_hook(sem_free_security, sma); 1137 } 1138 1139 int security_sem_associate(struct sem_array *sma, int semflg) 1140 { 1141 return call_int_hook(sem_associate, 0, sma, semflg); 1142 } 1143 1144 int security_sem_semctl(struct sem_array *sma, int cmd) 1145 { 1146 return call_int_hook(sem_semctl, 0, sma, cmd); 1147 } 1148 1149 int security_sem_semop(struct sem_array *sma, struct sembuf *sops, 1150 unsigned nsops, int alter) 1151 { 1152 return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); 1153 } 1154 1155 void security_d_instantiate(struct dentry *dentry, struct inode *inode) 1156 { 1157 if (unlikely(inode && IS_PRIVATE(inode))) 1158 return; 1159 call_void_hook(d_instantiate, dentry, inode); 1160 } 1161 EXPORT_SYMBOL(security_d_instantiate); 1162 1163 int security_getprocattr(struct task_struct *p, char *name, char **value) 1164 { 1165 return call_int_hook(getprocattr, -EINVAL, p, name, value); 1166 } 1167 1168 int security_setprocattr(const char *name, void *value, size_t size) 1169 { 1170 return call_int_hook(setprocattr, -EINVAL, name, value, size); 1171 } 1172 1173 int security_netlink_send(struct sock *sk, struct sk_buff *skb) 1174 { 1175 return call_int_hook(netlink_send, 0, sk, skb); 1176 } 1177 1178 int security_ismaclabel(const char *name) 1179 { 1180 return call_int_hook(ismaclabel, 0, name); 1181 } 1182 EXPORT_SYMBOL(security_ismaclabel); 1183 1184 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) 1185 { 1186 return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, 1187 seclen); 1188 } 1189 EXPORT_SYMBOL(security_secid_to_secctx); 1190 1191 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) 1192 { 1193 *secid = 0; 1194 return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); 1195 } 1196 EXPORT_SYMBOL(security_secctx_to_secid); 1197 1198 void security_release_secctx(char *secdata, u32 seclen) 1199 { 1200 call_void_hook(release_secctx, secdata, seclen); 1201 } 1202 EXPORT_SYMBOL(security_release_secctx); 1203 1204 void security_inode_invalidate_secctx(struct inode *inode) 1205 { 1206 call_void_hook(inode_invalidate_secctx, inode); 1207 } 1208 EXPORT_SYMBOL(security_inode_invalidate_secctx); 1209 1210 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) 1211 { 1212 return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); 1213 } 1214 EXPORT_SYMBOL(security_inode_notifysecctx); 1215 1216 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) 1217 { 1218 return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); 1219 } 1220 EXPORT_SYMBOL(security_inode_setsecctx); 1221 1222 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) 1223 { 1224 return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); 1225 } 1226 EXPORT_SYMBOL(security_inode_getsecctx); 1227 1228 #ifdef CONFIG_SECURITY_NETWORK 1229 1230 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) 1231 { 1232 return call_int_hook(unix_stream_connect, 0, sock, other, newsk); 1233 } 1234 EXPORT_SYMBOL(security_unix_stream_connect); 1235 1236 int security_unix_may_send(struct socket *sock, struct socket *other) 1237 { 1238 return call_int_hook(unix_may_send, 0, sock, other); 1239 } 1240 EXPORT_SYMBOL(security_unix_may_send); 1241 1242 int security_socket_create(int family, int type, int protocol, int kern) 1243 { 1244 return call_int_hook(socket_create, 0, family, type, protocol, kern); 1245 } 1246 1247 int security_socket_post_create(struct socket *sock, int family, 1248 int type, int protocol, int kern) 1249 { 1250 return call_int_hook(socket_post_create, 0, sock, family, type, 1251 protocol, kern); 1252 } 1253 1254 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) 1255 { 1256 return call_int_hook(socket_bind, 0, sock, address, addrlen); 1257 } 1258 1259 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) 1260 { 1261 return call_int_hook(socket_connect, 0, sock, address, addrlen); 1262 } 1263 1264 int security_socket_listen(struct socket *sock, int backlog) 1265 { 1266 return call_int_hook(socket_listen, 0, sock, backlog); 1267 } 1268 1269 int security_socket_accept(struct socket *sock, struct socket *newsock) 1270 { 1271 return call_int_hook(socket_accept, 0, sock, newsock); 1272 } 1273 1274 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) 1275 { 1276 return call_int_hook(socket_sendmsg, 0, sock, msg, size); 1277 } 1278 1279 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, 1280 int size, int flags) 1281 { 1282 return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); 1283 } 1284 1285 int security_socket_getsockname(struct socket *sock) 1286 { 1287 return call_int_hook(socket_getsockname, 0, sock); 1288 } 1289 1290 int security_socket_getpeername(struct socket *sock) 1291 { 1292 return call_int_hook(socket_getpeername, 0, sock); 1293 } 1294 1295 int security_socket_getsockopt(struct socket *sock, int level, int optname) 1296 { 1297 return call_int_hook(socket_getsockopt, 0, sock, level, optname); 1298 } 1299 1300 int security_socket_setsockopt(struct socket *sock, int level, int optname) 1301 { 1302 return call_int_hook(socket_setsockopt, 0, sock, level, optname); 1303 } 1304 1305 int security_socket_shutdown(struct socket *sock, int how) 1306 { 1307 return call_int_hook(socket_shutdown, 0, sock, how); 1308 } 1309 1310 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) 1311 { 1312 return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); 1313 } 1314 EXPORT_SYMBOL(security_sock_rcv_skb); 1315 1316 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, 1317 int __user *optlen, unsigned len) 1318 { 1319 return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, 1320 optval, optlen, len); 1321 } 1322 1323 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) 1324 { 1325 return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, 1326 skb, secid); 1327 } 1328 EXPORT_SYMBOL(security_socket_getpeersec_dgram); 1329 1330 int security_sk_alloc(struct sock *sk, int family, gfp_t priority) 1331 { 1332 return call_int_hook(sk_alloc_security, 0, sk, family, priority); 1333 } 1334 1335 void security_sk_free(struct sock *sk) 1336 { 1337 call_void_hook(sk_free_security, sk); 1338 } 1339 1340 void security_sk_clone(const struct sock *sk, struct sock *newsk) 1341 { 1342 call_void_hook(sk_clone_security, sk, newsk); 1343 } 1344 EXPORT_SYMBOL(security_sk_clone); 1345 1346 void security_sk_classify_flow(struct sock *sk, struct flowi *fl) 1347 { 1348 call_void_hook(sk_getsecid, sk, &fl->flowi_secid); 1349 } 1350 EXPORT_SYMBOL(security_sk_classify_flow); 1351 1352 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) 1353 { 1354 call_void_hook(req_classify_flow, req, fl); 1355 } 1356 EXPORT_SYMBOL(security_req_classify_flow); 1357 1358 void security_sock_graft(struct sock *sk, struct socket *parent) 1359 { 1360 call_void_hook(sock_graft, sk, parent); 1361 } 1362 EXPORT_SYMBOL(security_sock_graft); 1363 1364 int security_inet_conn_request(struct sock *sk, 1365 struct sk_buff *skb, struct request_sock *req) 1366 { 1367 return call_int_hook(inet_conn_request, 0, sk, skb, req); 1368 } 1369 EXPORT_SYMBOL(security_inet_conn_request); 1370 1371 void security_inet_csk_clone(struct sock *newsk, 1372 const struct request_sock *req) 1373 { 1374 call_void_hook(inet_csk_clone, newsk, req); 1375 } 1376 1377 void security_inet_conn_established(struct sock *sk, 1378 struct sk_buff *skb) 1379 { 1380 call_void_hook(inet_conn_established, sk, skb); 1381 } 1382 1383 int security_secmark_relabel_packet(u32 secid) 1384 { 1385 return call_int_hook(secmark_relabel_packet, 0, secid); 1386 } 1387 EXPORT_SYMBOL(security_secmark_relabel_packet); 1388 1389 void security_secmark_refcount_inc(void) 1390 { 1391 call_void_hook(secmark_refcount_inc); 1392 } 1393 EXPORT_SYMBOL(security_secmark_refcount_inc); 1394 1395 void security_secmark_refcount_dec(void) 1396 { 1397 call_void_hook(secmark_refcount_dec); 1398 } 1399 EXPORT_SYMBOL(security_secmark_refcount_dec); 1400 1401 int security_tun_dev_alloc_security(void **security) 1402 { 1403 return call_int_hook(tun_dev_alloc_security, 0, security); 1404 } 1405 EXPORT_SYMBOL(security_tun_dev_alloc_security); 1406 1407 void security_tun_dev_free_security(void *security) 1408 { 1409 call_void_hook(tun_dev_free_security, security); 1410 } 1411 EXPORT_SYMBOL(security_tun_dev_free_security); 1412 1413 int security_tun_dev_create(void) 1414 { 1415 return call_int_hook(tun_dev_create, 0); 1416 } 1417 EXPORT_SYMBOL(security_tun_dev_create); 1418 1419 int security_tun_dev_attach_queue(void *security) 1420 { 1421 return call_int_hook(tun_dev_attach_queue, 0, security); 1422 } 1423 EXPORT_SYMBOL(security_tun_dev_attach_queue); 1424 1425 int security_tun_dev_attach(struct sock *sk, void *security) 1426 { 1427 return call_int_hook(tun_dev_attach, 0, sk, security); 1428 } 1429 EXPORT_SYMBOL(security_tun_dev_attach); 1430 1431 int security_tun_dev_open(void *security) 1432 { 1433 return call_int_hook(tun_dev_open, 0, security); 1434 } 1435 EXPORT_SYMBOL(security_tun_dev_open); 1436 1437 #endif /* CONFIG_SECURITY_NETWORK */ 1438 1439 #ifdef CONFIG_SECURITY_NETWORK_XFRM 1440 1441 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, 1442 struct xfrm_user_sec_ctx *sec_ctx, 1443 gfp_t gfp) 1444 { 1445 return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); 1446 } 1447 EXPORT_SYMBOL(security_xfrm_policy_alloc); 1448 1449 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, 1450 struct xfrm_sec_ctx **new_ctxp) 1451 { 1452 return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); 1453 } 1454 1455 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) 1456 { 1457 call_void_hook(xfrm_policy_free_security, ctx); 1458 } 1459 EXPORT_SYMBOL(security_xfrm_policy_free); 1460 1461 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) 1462 { 1463 return call_int_hook(xfrm_policy_delete_security, 0, ctx); 1464 } 1465 1466 int security_xfrm_state_alloc(struct xfrm_state *x, 1467 struct xfrm_user_sec_ctx *sec_ctx) 1468 { 1469 return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); 1470 } 1471 EXPORT_SYMBOL(security_xfrm_state_alloc); 1472 1473 int security_xfrm_state_alloc_acquire(struct xfrm_state *x, 1474 struct xfrm_sec_ctx *polsec, u32 secid) 1475 { 1476 return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); 1477 } 1478 1479 int security_xfrm_state_delete(struct xfrm_state *x) 1480 { 1481 return call_int_hook(xfrm_state_delete_security, 0, x); 1482 } 1483 EXPORT_SYMBOL(security_xfrm_state_delete); 1484 1485 void security_xfrm_state_free(struct xfrm_state *x) 1486 { 1487 call_void_hook(xfrm_state_free_security, x); 1488 } 1489 1490 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) 1491 { 1492 return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); 1493 } 1494 1495 int security_xfrm_state_pol_flow_match(struct xfrm_state *x, 1496 struct xfrm_policy *xp, 1497 const struct flowi *fl) 1498 { 1499 struct security_hook_list *hp; 1500 int rc = 1; 1501 1502 /* 1503 * Since this function is expected to return 0 or 1, the judgment 1504 * becomes difficult if multiple LSMs supply this call. Fortunately, 1505 * we can use the first LSM's judgment because currently only SELinux 1506 * supplies this call. 1507 * 1508 * For speed optimization, we explicitly break the loop rather than 1509 * using the macro 1510 */ 1511 list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, 1512 list) { 1513 rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); 1514 break; 1515 } 1516 return rc; 1517 } 1518 1519 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) 1520 { 1521 return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); 1522 } 1523 1524 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) 1525 { 1526 int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, 1527 0); 1528 1529 BUG_ON(rc); 1530 } 1531 EXPORT_SYMBOL(security_skb_classify_flow); 1532 1533 #endif /* CONFIG_SECURITY_NETWORK_XFRM */ 1534 1535 #ifdef CONFIG_KEYS 1536 1537 int security_key_alloc(struct key *key, const struct cred *cred, 1538 unsigned long flags) 1539 { 1540 return call_int_hook(key_alloc, 0, key, cred, flags); 1541 } 1542 1543 void security_key_free(struct key *key) 1544 { 1545 call_void_hook(key_free, key); 1546 } 1547 1548 int security_key_permission(key_ref_t key_ref, 1549 const struct cred *cred, unsigned perm) 1550 { 1551 return call_int_hook(key_permission, 0, key_ref, cred, perm); 1552 } 1553 1554 int security_key_getsecurity(struct key *key, char **_buffer) 1555 { 1556 *_buffer = NULL; 1557 return call_int_hook(key_getsecurity, 0, key, _buffer); 1558 } 1559 1560 #endif /* CONFIG_KEYS */ 1561 1562 #ifdef CONFIG_AUDIT 1563 1564 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) 1565 { 1566 return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); 1567 } 1568 1569 int security_audit_rule_known(struct audit_krule *krule) 1570 { 1571 return call_int_hook(audit_rule_known, 0, krule); 1572 } 1573 1574 void security_audit_rule_free(void *lsmrule) 1575 { 1576 call_void_hook(audit_rule_free, lsmrule); 1577 } 1578 1579 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, 1580 struct audit_context *actx) 1581 { 1582 return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, 1583 actx); 1584 } 1585 #endif /* CONFIG_AUDIT */ 1586 1587 struct security_hook_heads security_hook_heads = { 1588 .binder_set_context_mgr = 1589 LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr), 1590 .binder_transaction = 1591 LIST_HEAD_INIT(security_hook_heads.binder_transaction), 1592 .binder_transfer_binder = 1593 LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder), 1594 .binder_transfer_file = 1595 LIST_HEAD_INIT(security_hook_heads.binder_transfer_file), 1596 1597 .ptrace_access_check = 1598 LIST_HEAD_INIT(security_hook_heads.ptrace_access_check), 1599 .ptrace_traceme = 1600 LIST_HEAD_INIT(security_hook_heads.ptrace_traceme), 1601 .capget = LIST_HEAD_INIT(security_hook_heads.capget), 1602 .capset = LIST_HEAD_INIT(security_hook_heads.capset), 1603 .capable = LIST_HEAD_INIT(security_hook_heads.capable), 1604 .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl), 1605 .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on), 1606 .syslog = LIST_HEAD_INIT(security_hook_heads.syslog), 1607 .settime = LIST_HEAD_INIT(security_hook_heads.settime), 1608 .vm_enough_memory = 1609 LIST_HEAD_INIT(security_hook_heads.vm_enough_memory), 1610 .bprm_set_creds = 1611 LIST_HEAD_INIT(security_hook_heads.bprm_set_creds), 1612 .bprm_check_security = 1613 LIST_HEAD_INIT(security_hook_heads.bprm_check_security), 1614 .bprm_secureexec = 1615 LIST_HEAD_INIT(security_hook_heads.bprm_secureexec), 1616 .bprm_committing_creds = 1617 LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds), 1618 .bprm_committed_creds = 1619 LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds), 1620 .sb_alloc_security = 1621 LIST_HEAD_INIT(security_hook_heads.sb_alloc_security), 1622 .sb_free_security = 1623 LIST_HEAD_INIT(security_hook_heads.sb_free_security), 1624 .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data), 1625 .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount), 1626 .sb_kern_mount = 1627 LIST_HEAD_INIT(security_hook_heads.sb_kern_mount), 1628 .sb_show_options = 1629 LIST_HEAD_INIT(security_hook_heads.sb_show_options), 1630 .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs), 1631 .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount), 1632 .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount), 1633 .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot), 1634 .sb_set_mnt_opts = 1635 LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts), 1636 .sb_clone_mnt_opts = 1637 LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts), 1638 .sb_parse_opts_str = 1639 LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str), 1640 .dentry_init_security = 1641 LIST_HEAD_INIT(security_hook_heads.dentry_init_security), 1642 .dentry_create_files_as = 1643 LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as), 1644 #ifdef CONFIG_SECURITY_PATH 1645 .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink), 1646 .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir), 1647 .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir), 1648 .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod), 1649 .path_truncate = 1650 LIST_HEAD_INIT(security_hook_heads.path_truncate), 1651 .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink), 1652 .path_link = LIST_HEAD_INIT(security_hook_heads.path_link), 1653 .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename), 1654 .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod), 1655 .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown), 1656 .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot), 1657 #endif 1658 .inode_alloc_security = 1659 LIST_HEAD_INIT(security_hook_heads.inode_alloc_security), 1660 .inode_free_security = 1661 LIST_HEAD_INIT(security_hook_heads.inode_free_security), 1662 .inode_init_security = 1663 LIST_HEAD_INIT(security_hook_heads.inode_init_security), 1664 .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create), 1665 .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link), 1666 .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink), 1667 .inode_symlink = 1668 LIST_HEAD_INIT(security_hook_heads.inode_symlink), 1669 .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir), 1670 .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir), 1671 .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod), 1672 .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename), 1673 .inode_readlink = 1674 LIST_HEAD_INIT(security_hook_heads.inode_readlink), 1675 .inode_follow_link = 1676 LIST_HEAD_INIT(security_hook_heads.inode_follow_link), 1677 .inode_permission = 1678 LIST_HEAD_INIT(security_hook_heads.inode_permission), 1679 .inode_setattr = 1680 LIST_HEAD_INIT(security_hook_heads.inode_setattr), 1681 .inode_getattr = 1682 LIST_HEAD_INIT(security_hook_heads.inode_getattr), 1683 .inode_setxattr = 1684 LIST_HEAD_INIT(security_hook_heads.inode_setxattr), 1685 .inode_post_setxattr = 1686 LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr), 1687 .inode_getxattr = 1688 LIST_HEAD_INIT(security_hook_heads.inode_getxattr), 1689 .inode_listxattr = 1690 LIST_HEAD_INIT(security_hook_heads.inode_listxattr), 1691 .inode_removexattr = 1692 LIST_HEAD_INIT(security_hook_heads.inode_removexattr), 1693 .inode_need_killpriv = 1694 LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv), 1695 .inode_killpriv = 1696 LIST_HEAD_INIT(security_hook_heads.inode_killpriv), 1697 .inode_getsecurity = 1698 LIST_HEAD_INIT(security_hook_heads.inode_getsecurity), 1699 .inode_setsecurity = 1700 LIST_HEAD_INIT(security_hook_heads.inode_setsecurity), 1701 .inode_listsecurity = 1702 LIST_HEAD_INIT(security_hook_heads.inode_listsecurity), 1703 .inode_getsecid = 1704 LIST_HEAD_INIT(security_hook_heads.inode_getsecid), 1705 .inode_copy_up = 1706 LIST_HEAD_INIT(security_hook_heads.inode_copy_up), 1707 .inode_copy_up_xattr = 1708 LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr), 1709 .file_permission = 1710 LIST_HEAD_INIT(security_hook_heads.file_permission), 1711 .file_alloc_security = 1712 LIST_HEAD_INIT(security_hook_heads.file_alloc_security), 1713 .file_free_security = 1714 LIST_HEAD_INIT(security_hook_heads.file_free_security), 1715 .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl), 1716 .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr), 1717 .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file), 1718 .file_mprotect = 1719 LIST_HEAD_INIT(security_hook_heads.file_mprotect), 1720 .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock), 1721 .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl), 1722 .file_set_fowner = 1723 LIST_HEAD_INIT(security_hook_heads.file_set_fowner), 1724 .file_send_sigiotask = 1725 LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask), 1726 .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive), 1727 .file_open = LIST_HEAD_INIT(security_hook_heads.file_open), 1728 .task_create = LIST_HEAD_INIT(security_hook_heads.task_create), 1729 .task_free = LIST_HEAD_INIT(security_hook_heads.task_free), 1730 .cred_alloc_blank = 1731 LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank), 1732 .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free), 1733 .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare), 1734 .cred_transfer = 1735 LIST_HEAD_INIT(security_hook_heads.cred_transfer), 1736 .kernel_act_as = 1737 LIST_HEAD_INIT(security_hook_heads.kernel_act_as), 1738 .kernel_create_files_as = 1739 LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as), 1740 .kernel_module_request = 1741 LIST_HEAD_INIT(security_hook_heads.kernel_module_request), 1742 .kernel_read_file = 1743 LIST_HEAD_INIT(security_hook_heads.kernel_read_file), 1744 .kernel_post_read_file = 1745 LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file), 1746 .task_fix_setuid = 1747 LIST_HEAD_INIT(security_hook_heads.task_fix_setuid), 1748 .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid), 1749 .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid), 1750 .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid), 1751 .task_getsecid = 1752 LIST_HEAD_INIT(security_hook_heads.task_getsecid), 1753 .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice), 1754 .task_setioprio = 1755 LIST_HEAD_INIT(security_hook_heads.task_setioprio), 1756 .task_getioprio = 1757 LIST_HEAD_INIT(security_hook_heads.task_getioprio), 1758 .task_setrlimit = 1759 LIST_HEAD_INIT(security_hook_heads.task_setrlimit), 1760 .task_setscheduler = 1761 LIST_HEAD_INIT(security_hook_heads.task_setscheduler), 1762 .task_getscheduler = 1763 LIST_HEAD_INIT(security_hook_heads.task_getscheduler), 1764 .task_movememory = 1765 LIST_HEAD_INIT(security_hook_heads.task_movememory), 1766 .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill), 1767 .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl), 1768 .task_to_inode = 1769 LIST_HEAD_INIT(security_hook_heads.task_to_inode), 1770 .ipc_permission = 1771 LIST_HEAD_INIT(security_hook_heads.ipc_permission), 1772 .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid), 1773 .msg_msg_alloc_security = 1774 LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security), 1775 .msg_msg_free_security = 1776 LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security), 1777 .msg_queue_alloc_security = 1778 LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security), 1779 .msg_queue_free_security = 1780 LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security), 1781 .msg_queue_associate = 1782 LIST_HEAD_INIT(security_hook_heads.msg_queue_associate), 1783 .msg_queue_msgctl = 1784 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl), 1785 .msg_queue_msgsnd = 1786 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd), 1787 .msg_queue_msgrcv = 1788 LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv), 1789 .shm_alloc_security = 1790 LIST_HEAD_INIT(security_hook_heads.shm_alloc_security), 1791 .shm_free_security = 1792 LIST_HEAD_INIT(security_hook_heads.shm_free_security), 1793 .shm_associate = 1794 LIST_HEAD_INIT(security_hook_heads.shm_associate), 1795 .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl), 1796 .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat), 1797 .sem_alloc_security = 1798 LIST_HEAD_INIT(security_hook_heads.sem_alloc_security), 1799 .sem_free_security = 1800 LIST_HEAD_INIT(security_hook_heads.sem_free_security), 1801 .sem_associate = 1802 LIST_HEAD_INIT(security_hook_heads.sem_associate), 1803 .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl), 1804 .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop), 1805 .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send), 1806 .d_instantiate = 1807 LIST_HEAD_INIT(security_hook_heads.d_instantiate), 1808 .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr), 1809 .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr), 1810 .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel), 1811 .secid_to_secctx = 1812 LIST_HEAD_INIT(security_hook_heads.secid_to_secctx), 1813 .secctx_to_secid = 1814 LIST_HEAD_INIT(security_hook_heads.secctx_to_secid), 1815 .release_secctx = 1816 LIST_HEAD_INIT(security_hook_heads.release_secctx), 1817 .inode_invalidate_secctx = 1818 LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx), 1819 .inode_notifysecctx = 1820 LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx), 1821 .inode_setsecctx = 1822 LIST_HEAD_INIT(security_hook_heads.inode_setsecctx), 1823 .inode_getsecctx = 1824 LIST_HEAD_INIT(security_hook_heads.inode_getsecctx), 1825 #ifdef CONFIG_SECURITY_NETWORK 1826 .unix_stream_connect = 1827 LIST_HEAD_INIT(security_hook_heads.unix_stream_connect), 1828 .unix_may_send = 1829 LIST_HEAD_INIT(security_hook_heads.unix_may_send), 1830 .socket_create = 1831 LIST_HEAD_INIT(security_hook_heads.socket_create), 1832 .socket_post_create = 1833 LIST_HEAD_INIT(security_hook_heads.socket_post_create), 1834 .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind), 1835 .socket_connect = 1836 LIST_HEAD_INIT(security_hook_heads.socket_connect), 1837 .socket_listen = 1838 LIST_HEAD_INIT(security_hook_heads.socket_listen), 1839 .socket_accept = 1840 LIST_HEAD_INIT(security_hook_heads.socket_accept), 1841 .socket_sendmsg = 1842 LIST_HEAD_INIT(security_hook_heads.socket_sendmsg), 1843 .socket_recvmsg = 1844 LIST_HEAD_INIT(security_hook_heads.socket_recvmsg), 1845 .socket_getsockname = 1846 LIST_HEAD_INIT(security_hook_heads.socket_getsockname), 1847 .socket_getpeername = 1848 LIST_HEAD_INIT(security_hook_heads.socket_getpeername), 1849 .socket_getsockopt = 1850 LIST_HEAD_INIT(security_hook_heads.socket_getsockopt), 1851 .socket_setsockopt = 1852 LIST_HEAD_INIT(security_hook_heads.socket_setsockopt), 1853 .socket_shutdown = 1854 LIST_HEAD_INIT(security_hook_heads.socket_shutdown), 1855 .socket_sock_rcv_skb = 1856 LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb), 1857 .socket_getpeersec_stream = 1858 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream), 1859 .socket_getpeersec_dgram = 1860 LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram), 1861 .sk_alloc_security = 1862 LIST_HEAD_INIT(security_hook_heads.sk_alloc_security), 1863 .sk_free_security = 1864 LIST_HEAD_INIT(security_hook_heads.sk_free_security), 1865 .sk_clone_security = 1866 LIST_HEAD_INIT(security_hook_heads.sk_clone_security), 1867 .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid), 1868 .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft), 1869 .inet_conn_request = 1870 LIST_HEAD_INIT(security_hook_heads.inet_conn_request), 1871 .inet_csk_clone = 1872 LIST_HEAD_INIT(security_hook_heads.inet_csk_clone), 1873 .inet_conn_established = 1874 LIST_HEAD_INIT(security_hook_heads.inet_conn_established), 1875 .secmark_relabel_packet = 1876 LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet), 1877 .secmark_refcount_inc = 1878 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc), 1879 .secmark_refcount_dec = 1880 LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec), 1881 .req_classify_flow = 1882 LIST_HEAD_INIT(security_hook_heads.req_classify_flow), 1883 .tun_dev_alloc_security = 1884 LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security), 1885 .tun_dev_free_security = 1886 LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security), 1887 .tun_dev_create = 1888 LIST_HEAD_INIT(security_hook_heads.tun_dev_create), 1889 .tun_dev_attach_queue = 1890 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue), 1891 .tun_dev_attach = 1892 LIST_HEAD_INIT(security_hook_heads.tun_dev_attach), 1893 .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open), 1894 #endif /* CONFIG_SECURITY_NETWORK */ 1895 #ifdef CONFIG_SECURITY_NETWORK_XFRM 1896 .xfrm_policy_alloc_security = 1897 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security), 1898 .xfrm_policy_clone_security = 1899 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security), 1900 .xfrm_policy_free_security = 1901 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security), 1902 .xfrm_policy_delete_security = 1903 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security), 1904 .xfrm_state_alloc = 1905 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc), 1906 .xfrm_state_alloc_acquire = 1907 LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire), 1908 .xfrm_state_free_security = 1909 LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security), 1910 .xfrm_state_delete_security = 1911 LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security), 1912 .xfrm_policy_lookup = 1913 LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup), 1914 .xfrm_state_pol_flow_match = 1915 LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match), 1916 .xfrm_decode_session = 1917 LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session), 1918 #endif /* CONFIG_SECURITY_NETWORK_XFRM */ 1919 #ifdef CONFIG_KEYS 1920 .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc), 1921 .key_free = LIST_HEAD_INIT(security_hook_heads.key_free), 1922 .key_permission = 1923 LIST_HEAD_INIT(security_hook_heads.key_permission), 1924 .key_getsecurity = 1925 LIST_HEAD_INIT(security_hook_heads.key_getsecurity), 1926 #endif /* CONFIG_KEYS */ 1927 #ifdef CONFIG_AUDIT 1928 .audit_rule_init = 1929 LIST_HEAD_INIT(security_hook_heads.audit_rule_init), 1930 .audit_rule_known = 1931 LIST_HEAD_INIT(security_hook_heads.audit_rule_known), 1932 .audit_rule_match = 1933 LIST_HEAD_INIT(security_hook_heads.audit_rule_match), 1934 .audit_rule_free = 1935 LIST_HEAD_INIT(security_hook_heads.audit_rule_free), 1936 #endif /* CONFIG_AUDIT */ 1937 }; 1938