| 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_wait(struct task_struct *p) |
| 1029 | { |
| 1030 | return call_int_hook(task_wait, 0, p); |
| 1031 | } |
| 1032 | |
| 1033 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
| 1034 | unsigned long arg4, unsigned long arg5) |
| 1035 | { |
| 1036 | int thisrc; |
| 1037 | int rc = -ENOSYS; |
| 1038 | struct security_hook_list *hp; |
| 1039 | |
| 1040 | list_for_each_entry(hp, &security_hook_heads.task_prctl, list) { |
| 1041 | thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5); |
| 1042 | if (thisrc != -ENOSYS) { |
| 1043 | rc = thisrc; |
| 1044 | if (thisrc != 0) |
| 1045 | break; |
| 1046 | } |
| 1047 | } |
| 1048 | return rc; |
| 1049 | } |
| 1050 | |
| 1051 | void security_task_to_inode(struct task_struct *p, struct inode *inode) |
| 1052 | { |
| 1053 | call_void_hook(task_to_inode, p, inode); |
| 1054 | } |
| 1055 | |
| 1056 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
| 1057 | { |
| 1058 | return call_int_hook(ipc_permission, 0, ipcp, flag); |
| 1059 | } |
| 1060 | |
| 1061 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
| 1062 | { |
| 1063 | *secid = 0; |
| 1064 | call_void_hook(ipc_getsecid, ipcp, secid); |
| 1065 | } |
| 1066 | |
| 1067 | int security_msg_msg_alloc(struct msg_msg *msg) |
| 1068 | { |
| 1069 | return call_int_hook(msg_msg_alloc_security, 0, msg); |
| 1070 | } |
| 1071 | |
| 1072 | void security_msg_msg_free(struct msg_msg *msg) |
| 1073 | { |
| 1074 | call_void_hook(msg_msg_free_security, msg); |
| 1075 | } |
| 1076 | |
| 1077 | int security_msg_queue_alloc(struct msg_queue *msq) |
| 1078 | { |
| 1079 | return call_int_hook(msg_queue_alloc_security, 0, msq); |
| 1080 | } |
| 1081 | |
| 1082 | void security_msg_queue_free(struct msg_queue *msq) |
| 1083 | { |
| 1084 | call_void_hook(msg_queue_free_security, msq); |
| 1085 | } |
| 1086 | |
| 1087 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) |
| 1088 | { |
| 1089 | return call_int_hook(msg_queue_associate, 0, msq, msqflg); |
| 1090 | } |
| 1091 | |
| 1092 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
| 1093 | { |
| 1094 | return call_int_hook(msg_queue_msgctl, 0, msq, cmd); |
| 1095 | } |
| 1096 | |
| 1097 | int security_msg_queue_msgsnd(struct msg_queue *msq, |
| 1098 | struct msg_msg *msg, int msqflg) |
| 1099 | { |
| 1100 | return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg); |
| 1101 | } |
| 1102 | |
| 1103 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
| 1104 | struct task_struct *target, long type, int mode) |
| 1105 | { |
| 1106 | return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode); |
| 1107 | } |
| 1108 | |
| 1109 | int security_shm_alloc(struct shmid_kernel *shp) |
| 1110 | { |
| 1111 | return call_int_hook(shm_alloc_security, 0, shp); |
| 1112 | } |
| 1113 | |
| 1114 | void security_shm_free(struct shmid_kernel *shp) |
| 1115 | { |
| 1116 | call_void_hook(shm_free_security, shp); |
| 1117 | } |
| 1118 | |
| 1119 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) |
| 1120 | { |
| 1121 | return call_int_hook(shm_associate, 0, shp, shmflg); |
| 1122 | } |
| 1123 | |
| 1124 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) |
| 1125 | { |
| 1126 | return call_int_hook(shm_shmctl, 0, shp, cmd); |
| 1127 | } |
| 1128 | |
| 1129 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) |
| 1130 | { |
| 1131 | return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg); |
| 1132 | } |
| 1133 | |
| 1134 | int security_sem_alloc(struct sem_array *sma) |
| 1135 | { |
| 1136 | return call_int_hook(sem_alloc_security, 0, sma); |
| 1137 | } |
| 1138 | |
| 1139 | void security_sem_free(struct sem_array *sma) |
| 1140 | { |
| 1141 | call_void_hook(sem_free_security, sma); |
| 1142 | } |
| 1143 | |
| 1144 | int security_sem_associate(struct sem_array *sma, int semflg) |
| 1145 | { |
| 1146 | return call_int_hook(sem_associate, 0, sma, semflg); |
| 1147 | } |
| 1148 | |
| 1149 | int security_sem_semctl(struct sem_array *sma, int cmd) |
| 1150 | { |
| 1151 | return call_int_hook(sem_semctl, 0, sma, cmd); |
| 1152 | } |
| 1153 | |
| 1154 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, |
| 1155 | unsigned nsops, int alter) |
| 1156 | { |
| 1157 | return call_int_hook(sem_semop, 0, sma, sops, nsops, alter); |
| 1158 | } |
| 1159 | |
| 1160 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) |
| 1161 | { |
| 1162 | if (unlikely(inode && IS_PRIVATE(inode))) |
| 1163 | return; |
| 1164 | call_void_hook(d_instantiate, dentry, inode); |
| 1165 | } |
| 1166 | EXPORT_SYMBOL(security_d_instantiate); |
| 1167 | |
| 1168 | int security_getprocattr(struct task_struct *p, char *name, char **value) |
| 1169 | { |
| 1170 | return call_int_hook(getprocattr, -EINVAL, p, name, value); |
| 1171 | } |
| 1172 | |
| 1173 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
| 1174 | { |
| 1175 | return call_int_hook(setprocattr, -EINVAL, p, name, value, size); |
| 1176 | } |
| 1177 | |
| 1178 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
| 1179 | { |
| 1180 | return call_int_hook(netlink_send, 0, sk, skb); |
| 1181 | } |
| 1182 | |
| 1183 | int security_ismaclabel(const char *name) |
| 1184 | { |
| 1185 | return call_int_hook(ismaclabel, 0, name); |
| 1186 | } |
| 1187 | EXPORT_SYMBOL(security_ismaclabel); |
| 1188 | |
| 1189 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
| 1190 | { |
| 1191 | return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata, |
| 1192 | seclen); |
| 1193 | } |
| 1194 | EXPORT_SYMBOL(security_secid_to_secctx); |
| 1195 | |
| 1196 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
| 1197 | { |
| 1198 | *secid = 0; |
| 1199 | return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid); |
| 1200 | } |
| 1201 | EXPORT_SYMBOL(security_secctx_to_secid); |
| 1202 | |
| 1203 | void security_release_secctx(char *secdata, u32 seclen) |
| 1204 | { |
| 1205 | call_void_hook(release_secctx, secdata, seclen); |
| 1206 | } |
| 1207 | EXPORT_SYMBOL(security_release_secctx); |
| 1208 | |
| 1209 | void security_inode_invalidate_secctx(struct inode *inode) |
| 1210 | { |
| 1211 | call_void_hook(inode_invalidate_secctx, inode); |
| 1212 | } |
| 1213 | EXPORT_SYMBOL(security_inode_invalidate_secctx); |
| 1214 | |
| 1215 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
| 1216 | { |
| 1217 | return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); |
| 1218 | } |
| 1219 | EXPORT_SYMBOL(security_inode_notifysecctx); |
| 1220 | |
| 1221 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
| 1222 | { |
| 1223 | return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen); |
| 1224 | } |
| 1225 | EXPORT_SYMBOL(security_inode_setsecctx); |
| 1226 | |
| 1227 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
| 1228 | { |
| 1229 | return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen); |
| 1230 | } |
| 1231 | EXPORT_SYMBOL(security_inode_getsecctx); |
| 1232 | |
| 1233 | #ifdef CONFIG_SECURITY_NETWORK |
| 1234 | |
| 1235 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
| 1236 | { |
| 1237 | return call_int_hook(unix_stream_connect, 0, sock, other, newsk); |
| 1238 | } |
| 1239 | EXPORT_SYMBOL(security_unix_stream_connect); |
| 1240 | |
| 1241 | int security_unix_may_send(struct socket *sock, struct socket *other) |
| 1242 | { |
| 1243 | return call_int_hook(unix_may_send, 0, sock, other); |
| 1244 | } |
| 1245 | EXPORT_SYMBOL(security_unix_may_send); |
| 1246 | |
| 1247 | int security_socket_create(int family, int type, int protocol, int kern) |
| 1248 | { |
| 1249 | return call_int_hook(socket_create, 0, family, type, protocol, kern); |
| 1250 | } |
| 1251 | |
| 1252 | int security_socket_post_create(struct socket *sock, int family, |
| 1253 | int type, int protocol, int kern) |
| 1254 | { |
| 1255 | return call_int_hook(socket_post_create, 0, sock, family, type, |
| 1256 | protocol, kern); |
| 1257 | } |
| 1258 | |
| 1259 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
| 1260 | { |
| 1261 | return call_int_hook(socket_bind, 0, sock, address, addrlen); |
| 1262 | } |
| 1263 | |
| 1264 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) |
| 1265 | { |
| 1266 | return call_int_hook(socket_connect, 0, sock, address, addrlen); |
| 1267 | } |
| 1268 | |
| 1269 | int security_socket_listen(struct socket *sock, int backlog) |
| 1270 | { |
| 1271 | return call_int_hook(socket_listen, 0, sock, backlog); |
| 1272 | } |
| 1273 | |
| 1274 | int security_socket_accept(struct socket *sock, struct socket *newsock) |
| 1275 | { |
| 1276 | return call_int_hook(socket_accept, 0, sock, newsock); |
| 1277 | } |
| 1278 | |
| 1279 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
| 1280 | { |
| 1281 | return call_int_hook(socket_sendmsg, 0, sock, msg, size); |
| 1282 | } |
| 1283 | |
| 1284 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
| 1285 | int size, int flags) |
| 1286 | { |
| 1287 | return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags); |
| 1288 | } |
| 1289 | |
| 1290 | int security_socket_getsockname(struct socket *sock) |
| 1291 | { |
| 1292 | return call_int_hook(socket_getsockname, 0, sock); |
| 1293 | } |
| 1294 | |
| 1295 | int security_socket_getpeername(struct socket *sock) |
| 1296 | { |
| 1297 | return call_int_hook(socket_getpeername, 0, sock); |
| 1298 | } |
| 1299 | |
| 1300 | int security_socket_getsockopt(struct socket *sock, int level, int optname) |
| 1301 | { |
| 1302 | return call_int_hook(socket_getsockopt, 0, sock, level, optname); |
| 1303 | } |
| 1304 | |
| 1305 | int security_socket_setsockopt(struct socket *sock, int level, int optname) |
| 1306 | { |
| 1307 | return call_int_hook(socket_setsockopt, 0, sock, level, optname); |
| 1308 | } |
| 1309 | |
| 1310 | int security_socket_shutdown(struct socket *sock, int how) |
| 1311 | { |
| 1312 | return call_int_hook(socket_shutdown, 0, sock, how); |
| 1313 | } |
| 1314 | |
| 1315 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
| 1316 | { |
| 1317 | return call_int_hook(socket_sock_rcv_skb, 0, sk, skb); |
| 1318 | } |
| 1319 | EXPORT_SYMBOL(security_sock_rcv_skb); |
| 1320 | |
| 1321 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
| 1322 | int __user *optlen, unsigned len) |
| 1323 | { |
| 1324 | return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock, |
| 1325 | optval, optlen, len); |
| 1326 | } |
| 1327 | |
| 1328 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
| 1329 | { |
| 1330 | return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, |
| 1331 | skb, secid); |
| 1332 | } |
| 1333 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); |
| 1334 | |
| 1335 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
| 1336 | { |
| 1337 | return call_int_hook(sk_alloc_security, 0, sk, family, priority); |
| 1338 | } |
| 1339 | |
| 1340 | void security_sk_free(struct sock *sk) |
| 1341 | { |
| 1342 | call_void_hook(sk_free_security, sk); |
| 1343 | } |
| 1344 | |
| 1345 | void security_sk_clone(const struct sock *sk, struct sock *newsk) |
| 1346 | { |
| 1347 | call_void_hook(sk_clone_security, sk, newsk); |
| 1348 | } |
| 1349 | EXPORT_SYMBOL(security_sk_clone); |
| 1350 | |
| 1351 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
| 1352 | { |
| 1353 | call_void_hook(sk_getsecid, sk, &fl->flowi_secid); |
| 1354 | } |
| 1355 | EXPORT_SYMBOL(security_sk_classify_flow); |
| 1356 | |
| 1357 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) |
| 1358 | { |
| 1359 | call_void_hook(req_classify_flow, req, fl); |
| 1360 | } |
| 1361 | EXPORT_SYMBOL(security_req_classify_flow); |
| 1362 | |
| 1363 | void security_sock_graft(struct sock *sk, struct socket *parent) |
| 1364 | { |
| 1365 | call_void_hook(sock_graft, sk, parent); |
| 1366 | } |
| 1367 | EXPORT_SYMBOL(security_sock_graft); |
| 1368 | |
| 1369 | int security_inet_conn_request(struct sock *sk, |
| 1370 | struct sk_buff *skb, struct request_sock *req) |
| 1371 | { |
| 1372 | return call_int_hook(inet_conn_request, 0, sk, skb, req); |
| 1373 | } |
| 1374 | EXPORT_SYMBOL(security_inet_conn_request); |
| 1375 | |
| 1376 | void security_inet_csk_clone(struct sock *newsk, |
| 1377 | const struct request_sock *req) |
| 1378 | { |
| 1379 | call_void_hook(inet_csk_clone, newsk, req); |
| 1380 | } |
| 1381 | |
| 1382 | void security_inet_conn_established(struct sock *sk, |
| 1383 | struct sk_buff *skb) |
| 1384 | { |
| 1385 | call_void_hook(inet_conn_established, sk, skb); |
| 1386 | } |
| 1387 | |
| 1388 | int security_secmark_relabel_packet(u32 secid) |
| 1389 | { |
| 1390 | return call_int_hook(secmark_relabel_packet, 0, secid); |
| 1391 | } |
| 1392 | EXPORT_SYMBOL(security_secmark_relabel_packet); |
| 1393 | |
| 1394 | void security_secmark_refcount_inc(void) |
| 1395 | { |
| 1396 | call_void_hook(secmark_refcount_inc); |
| 1397 | } |
| 1398 | EXPORT_SYMBOL(security_secmark_refcount_inc); |
| 1399 | |
| 1400 | void security_secmark_refcount_dec(void) |
| 1401 | { |
| 1402 | call_void_hook(secmark_refcount_dec); |
| 1403 | } |
| 1404 | EXPORT_SYMBOL(security_secmark_refcount_dec); |
| 1405 | |
| 1406 | int security_tun_dev_alloc_security(void **security) |
| 1407 | { |
| 1408 | return call_int_hook(tun_dev_alloc_security, 0, security); |
| 1409 | } |
| 1410 | EXPORT_SYMBOL(security_tun_dev_alloc_security); |
| 1411 | |
| 1412 | void security_tun_dev_free_security(void *security) |
| 1413 | { |
| 1414 | call_void_hook(tun_dev_free_security, security); |
| 1415 | } |
| 1416 | EXPORT_SYMBOL(security_tun_dev_free_security); |
| 1417 | |
| 1418 | int security_tun_dev_create(void) |
| 1419 | { |
| 1420 | return call_int_hook(tun_dev_create, 0); |
| 1421 | } |
| 1422 | EXPORT_SYMBOL(security_tun_dev_create); |
| 1423 | |
| 1424 | int security_tun_dev_attach_queue(void *security) |
| 1425 | { |
| 1426 | return call_int_hook(tun_dev_attach_queue, 0, security); |
| 1427 | } |
| 1428 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
| 1429 | |
| 1430 | int security_tun_dev_attach(struct sock *sk, void *security) |
| 1431 | { |
| 1432 | return call_int_hook(tun_dev_attach, 0, sk, security); |
| 1433 | } |
| 1434 | EXPORT_SYMBOL(security_tun_dev_attach); |
| 1435 | |
| 1436 | int security_tun_dev_open(void *security) |
| 1437 | { |
| 1438 | return call_int_hook(tun_dev_open, 0, security); |
| 1439 | } |
| 1440 | EXPORT_SYMBOL(security_tun_dev_open); |
| 1441 | |
| 1442 | #endif /* CONFIG_SECURITY_NETWORK */ |
| 1443 | |
| 1444 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| 1445 | |
| 1446 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
| 1447 | struct xfrm_user_sec_ctx *sec_ctx, |
| 1448 | gfp_t gfp) |
| 1449 | { |
| 1450 | return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp); |
| 1451 | } |
| 1452 | EXPORT_SYMBOL(security_xfrm_policy_alloc); |
| 1453 | |
| 1454 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
| 1455 | struct xfrm_sec_ctx **new_ctxp) |
| 1456 | { |
| 1457 | return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp); |
| 1458 | } |
| 1459 | |
| 1460 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
| 1461 | { |
| 1462 | call_void_hook(xfrm_policy_free_security, ctx); |
| 1463 | } |
| 1464 | EXPORT_SYMBOL(security_xfrm_policy_free); |
| 1465 | |
| 1466 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
| 1467 | { |
| 1468 | return call_int_hook(xfrm_policy_delete_security, 0, ctx); |
| 1469 | } |
| 1470 | |
| 1471 | int security_xfrm_state_alloc(struct xfrm_state *x, |
| 1472 | struct xfrm_user_sec_ctx *sec_ctx) |
| 1473 | { |
| 1474 | return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx); |
| 1475 | } |
| 1476 | EXPORT_SYMBOL(security_xfrm_state_alloc); |
| 1477 | |
| 1478 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
| 1479 | struct xfrm_sec_ctx *polsec, u32 secid) |
| 1480 | { |
| 1481 | return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid); |
| 1482 | } |
| 1483 | |
| 1484 | int security_xfrm_state_delete(struct xfrm_state *x) |
| 1485 | { |
| 1486 | return call_int_hook(xfrm_state_delete_security, 0, x); |
| 1487 | } |
| 1488 | EXPORT_SYMBOL(security_xfrm_state_delete); |
| 1489 | |
| 1490 | void security_xfrm_state_free(struct xfrm_state *x) |
| 1491 | { |
| 1492 | call_void_hook(xfrm_state_free_security, x); |
| 1493 | } |
| 1494 | |
| 1495 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
| 1496 | { |
| 1497 | return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir); |
| 1498 | } |
| 1499 | |
| 1500 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
| 1501 | struct xfrm_policy *xp, |
| 1502 | const struct flowi *fl) |
| 1503 | { |
| 1504 | struct security_hook_list *hp; |
| 1505 | int rc = 1; |
| 1506 | |
| 1507 | /* |
| 1508 | * Since this function is expected to return 0 or 1, the judgment |
| 1509 | * becomes difficult if multiple LSMs supply this call. Fortunately, |
| 1510 | * we can use the first LSM's judgment because currently only SELinux |
| 1511 | * supplies this call. |
| 1512 | * |
| 1513 | * For speed optimization, we explicitly break the loop rather than |
| 1514 | * using the macro |
| 1515 | */ |
| 1516 | list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, |
| 1517 | list) { |
| 1518 | rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); |
| 1519 | break; |
| 1520 | } |
| 1521 | return rc; |
| 1522 | } |
| 1523 | |
| 1524 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
| 1525 | { |
| 1526 | return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); |
| 1527 | } |
| 1528 | |
| 1529 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
| 1530 | { |
| 1531 | int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, |
| 1532 | 0); |
| 1533 | |
| 1534 | BUG_ON(rc); |
| 1535 | } |
| 1536 | EXPORT_SYMBOL(security_skb_classify_flow); |
| 1537 | |
| 1538 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
| 1539 | |
| 1540 | #ifdef CONFIG_KEYS |
| 1541 | |
| 1542 | int security_key_alloc(struct key *key, const struct cred *cred, |
| 1543 | unsigned long flags) |
| 1544 | { |
| 1545 | return call_int_hook(key_alloc, 0, key, cred, flags); |
| 1546 | } |
| 1547 | |
| 1548 | void security_key_free(struct key *key) |
| 1549 | { |
| 1550 | call_void_hook(key_free, key); |
| 1551 | } |
| 1552 | |
| 1553 | int security_key_permission(key_ref_t key_ref, |
| 1554 | const struct cred *cred, unsigned perm) |
| 1555 | { |
| 1556 | return call_int_hook(key_permission, 0, key_ref, cred, perm); |
| 1557 | } |
| 1558 | |
| 1559 | int security_key_getsecurity(struct key *key, char **_buffer) |
| 1560 | { |
| 1561 | *_buffer = NULL; |
| 1562 | return call_int_hook(key_getsecurity, 0, key, _buffer); |
| 1563 | } |
| 1564 | |
| 1565 | #endif /* CONFIG_KEYS */ |
| 1566 | |
| 1567 | #ifdef CONFIG_AUDIT |
| 1568 | |
| 1569 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
| 1570 | { |
| 1571 | return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule); |
| 1572 | } |
| 1573 | |
| 1574 | int security_audit_rule_known(struct audit_krule *krule) |
| 1575 | { |
| 1576 | return call_int_hook(audit_rule_known, 0, krule); |
| 1577 | } |
| 1578 | |
| 1579 | void security_audit_rule_free(void *lsmrule) |
| 1580 | { |
| 1581 | call_void_hook(audit_rule_free, lsmrule); |
| 1582 | } |
| 1583 | |
| 1584 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
| 1585 | struct audit_context *actx) |
| 1586 | { |
| 1587 | return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule, |
| 1588 | actx); |
| 1589 | } |
| 1590 | #endif /* CONFIG_AUDIT */ |
| 1591 | |
| 1592 | struct security_hook_heads security_hook_heads = { |
| 1593 | .binder_set_context_mgr = |
| 1594 | LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr), |
| 1595 | .binder_transaction = |
| 1596 | LIST_HEAD_INIT(security_hook_heads.binder_transaction), |
| 1597 | .binder_transfer_binder = |
| 1598 | LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder), |
| 1599 | .binder_transfer_file = |
| 1600 | LIST_HEAD_INIT(security_hook_heads.binder_transfer_file), |
| 1601 | |
| 1602 | .ptrace_access_check = |
| 1603 | LIST_HEAD_INIT(security_hook_heads.ptrace_access_check), |
| 1604 | .ptrace_traceme = |
| 1605 | LIST_HEAD_INIT(security_hook_heads.ptrace_traceme), |
| 1606 | .capget = LIST_HEAD_INIT(security_hook_heads.capget), |
| 1607 | .capset = LIST_HEAD_INIT(security_hook_heads.capset), |
| 1608 | .capable = LIST_HEAD_INIT(security_hook_heads.capable), |
| 1609 | .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl), |
| 1610 | .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on), |
| 1611 | .syslog = LIST_HEAD_INIT(security_hook_heads.syslog), |
| 1612 | .settime = LIST_HEAD_INIT(security_hook_heads.settime), |
| 1613 | .vm_enough_memory = |
| 1614 | LIST_HEAD_INIT(security_hook_heads.vm_enough_memory), |
| 1615 | .bprm_set_creds = |
| 1616 | LIST_HEAD_INIT(security_hook_heads.bprm_set_creds), |
| 1617 | .bprm_check_security = |
| 1618 | LIST_HEAD_INIT(security_hook_heads.bprm_check_security), |
| 1619 | .bprm_secureexec = |
| 1620 | LIST_HEAD_INIT(security_hook_heads.bprm_secureexec), |
| 1621 | .bprm_committing_creds = |
| 1622 | LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds), |
| 1623 | .bprm_committed_creds = |
| 1624 | LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds), |
| 1625 | .sb_alloc_security = |
| 1626 | LIST_HEAD_INIT(security_hook_heads.sb_alloc_security), |
| 1627 | .sb_free_security = |
| 1628 | LIST_HEAD_INIT(security_hook_heads.sb_free_security), |
| 1629 | .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data), |
| 1630 | .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount), |
| 1631 | .sb_kern_mount = |
| 1632 | LIST_HEAD_INIT(security_hook_heads.sb_kern_mount), |
| 1633 | .sb_show_options = |
| 1634 | LIST_HEAD_INIT(security_hook_heads.sb_show_options), |
| 1635 | .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs), |
| 1636 | .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount), |
| 1637 | .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount), |
| 1638 | .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot), |
| 1639 | .sb_set_mnt_opts = |
| 1640 | LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts), |
| 1641 | .sb_clone_mnt_opts = |
| 1642 | LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts), |
| 1643 | .sb_parse_opts_str = |
| 1644 | LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str), |
| 1645 | .dentry_init_security = |
| 1646 | LIST_HEAD_INIT(security_hook_heads.dentry_init_security), |
| 1647 | .dentry_create_files_as = |
| 1648 | LIST_HEAD_INIT(security_hook_heads.dentry_create_files_as), |
| 1649 | #ifdef CONFIG_SECURITY_PATH |
| 1650 | .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink), |
| 1651 | .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir), |
| 1652 | .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir), |
| 1653 | .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod), |
| 1654 | .path_truncate = |
| 1655 | LIST_HEAD_INIT(security_hook_heads.path_truncate), |
| 1656 | .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink), |
| 1657 | .path_link = LIST_HEAD_INIT(security_hook_heads.path_link), |
| 1658 | .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename), |
| 1659 | .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod), |
| 1660 | .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown), |
| 1661 | .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot), |
| 1662 | #endif |
| 1663 | .inode_alloc_security = |
| 1664 | LIST_HEAD_INIT(security_hook_heads.inode_alloc_security), |
| 1665 | .inode_free_security = |
| 1666 | LIST_HEAD_INIT(security_hook_heads.inode_free_security), |
| 1667 | .inode_init_security = |
| 1668 | LIST_HEAD_INIT(security_hook_heads.inode_init_security), |
| 1669 | .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create), |
| 1670 | .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link), |
| 1671 | .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink), |
| 1672 | .inode_symlink = |
| 1673 | LIST_HEAD_INIT(security_hook_heads.inode_symlink), |
| 1674 | .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir), |
| 1675 | .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir), |
| 1676 | .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod), |
| 1677 | .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename), |
| 1678 | .inode_readlink = |
| 1679 | LIST_HEAD_INIT(security_hook_heads.inode_readlink), |
| 1680 | .inode_follow_link = |
| 1681 | LIST_HEAD_INIT(security_hook_heads.inode_follow_link), |
| 1682 | .inode_permission = |
| 1683 | LIST_HEAD_INIT(security_hook_heads.inode_permission), |
| 1684 | .inode_setattr = |
| 1685 | LIST_HEAD_INIT(security_hook_heads.inode_setattr), |
| 1686 | .inode_getattr = |
| 1687 | LIST_HEAD_INIT(security_hook_heads.inode_getattr), |
| 1688 | .inode_setxattr = |
| 1689 | LIST_HEAD_INIT(security_hook_heads.inode_setxattr), |
| 1690 | .inode_post_setxattr = |
| 1691 | LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr), |
| 1692 | .inode_getxattr = |
| 1693 | LIST_HEAD_INIT(security_hook_heads.inode_getxattr), |
| 1694 | .inode_listxattr = |
| 1695 | LIST_HEAD_INIT(security_hook_heads.inode_listxattr), |
| 1696 | .inode_removexattr = |
| 1697 | LIST_HEAD_INIT(security_hook_heads.inode_removexattr), |
| 1698 | .inode_need_killpriv = |
| 1699 | LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv), |
| 1700 | .inode_killpriv = |
| 1701 | LIST_HEAD_INIT(security_hook_heads.inode_killpriv), |
| 1702 | .inode_getsecurity = |
| 1703 | LIST_HEAD_INIT(security_hook_heads.inode_getsecurity), |
| 1704 | .inode_setsecurity = |
| 1705 | LIST_HEAD_INIT(security_hook_heads.inode_setsecurity), |
| 1706 | .inode_listsecurity = |
| 1707 | LIST_HEAD_INIT(security_hook_heads.inode_listsecurity), |
| 1708 | .inode_getsecid = |
| 1709 | LIST_HEAD_INIT(security_hook_heads.inode_getsecid), |
| 1710 | .inode_copy_up = |
| 1711 | LIST_HEAD_INIT(security_hook_heads.inode_copy_up), |
| 1712 | .inode_copy_up_xattr = |
| 1713 | LIST_HEAD_INIT(security_hook_heads.inode_copy_up_xattr), |
| 1714 | .file_permission = |
| 1715 | LIST_HEAD_INIT(security_hook_heads.file_permission), |
| 1716 | .file_alloc_security = |
| 1717 | LIST_HEAD_INIT(security_hook_heads.file_alloc_security), |
| 1718 | .file_free_security = |
| 1719 | LIST_HEAD_INIT(security_hook_heads.file_free_security), |
| 1720 | .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl), |
| 1721 | .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr), |
| 1722 | .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file), |
| 1723 | .file_mprotect = |
| 1724 | LIST_HEAD_INIT(security_hook_heads.file_mprotect), |
| 1725 | .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock), |
| 1726 | .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl), |
| 1727 | .file_set_fowner = |
| 1728 | LIST_HEAD_INIT(security_hook_heads.file_set_fowner), |
| 1729 | .file_send_sigiotask = |
| 1730 | LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask), |
| 1731 | .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive), |
| 1732 | .file_open = LIST_HEAD_INIT(security_hook_heads.file_open), |
| 1733 | .task_create = LIST_HEAD_INIT(security_hook_heads.task_create), |
| 1734 | .task_free = LIST_HEAD_INIT(security_hook_heads.task_free), |
| 1735 | .cred_alloc_blank = |
| 1736 | LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank), |
| 1737 | .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free), |
| 1738 | .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare), |
| 1739 | .cred_transfer = |
| 1740 | LIST_HEAD_INIT(security_hook_heads.cred_transfer), |
| 1741 | .kernel_act_as = |
| 1742 | LIST_HEAD_INIT(security_hook_heads.kernel_act_as), |
| 1743 | .kernel_create_files_as = |
| 1744 | LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as), |
| 1745 | .kernel_module_request = |
| 1746 | LIST_HEAD_INIT(security_hook_heads.kernel_module_request), |
| 1747 | .kernel_read_file = |
| 1748 | LIST_HEAD_INIT(security_hook_heads.kernel_read_file), |
| 1749 | .kernel_post_read_file = |
| 1750 | LIST_HEAD_INIT(security_hook_heads.kernel_post_read_file), |
| 1751 | .task_fix_setuid = |
| 1752 | LIST_HEAD_INIT(security_hook_heads.task_fix_setuid), |
| 1753 | .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid), |
| 1754 | .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid), |
| 1755 | .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid), |
| 1756 | .task_getsecid = |
| 1757 | LIST_HEAD_INIT(security_hook_heads.task_getsecid), |
| 1758 | .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice), |
| 1759 | .task_setioprio = |
| 1760 | LIST_HEAD_INIT(security_hook_heads.task_setioprio), |
| 1761 | .task_getioprio = |
| 1762 | LIST_HEAD_INIT(security_hook_heads.task_getioprio), |
| 1763 | .task_setrlimit = |
| 1764 | LIST_HEAD_INIT(security_hook_heads.task_setrlimit), |
| 1765 | .task_setscheduler = |
| 1766 | LIST_HEAD_INIT(security_hook_heads.task_setscheduler), |
| 1767 | .task_getscheduler = |
| 1768 | LIST_HEAD_INIT(security_hook_heads.task_getscheduler), |
| 1769 | .task_movememory = |
| 1770 | LIST_HEAD_INIT(security_hook_heads.task_movememory), |
| 1771 | .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill), |
| 1772 | .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait), |
| 1773 | .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl), |
| 1774 | .task_to_inode = |
| 1775 | LIST_HEAD_INIT(security_hook_heads.task_to_inode), |
| 1776 | .ipc_permission = |
| 1777 | LIST_HEAD_INIT(security_hook_heads.ipc_permission), |
| 1778 | .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid), |
| 1779 | .msg_msg_alloc_security = |
| 1780 | LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security), |
| 1781 | .msg_msg_free_security = |
| 1782 | LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security), |
| 1783 | .msg_queue_alloc_security = |
| 1784 | LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security), |
| 1785 | .msg_queue_free_security = |
| 1786 | LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security), |
| 1787 | .msg_queue_associate = |
| 1788 | LIST_HEAD_INIT(security_hook_heads.msg_queue_associate), |
| 1789 | .msg_queue_msgctl = |
| 1790 | LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl), |
| 1791 | .msg_queue_msgsnd = |
| 1792 | LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd), |
| 1793 | .msg_queue_msgrcv = |
| 1794 | LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv), |
| 1795 | .shm_alloc_security = |
| 1796 | LIST_HEAD_INIT(security_hook_heads.shm_alloc_security), |
| 1797 | .shm_free_security = |
| 1798 | LIST_HEAD_INIT(security_hook_heads.shm_free_security), |
| 1799 | .shm_associate = |
| 1800 | LIST_HEAD_INIT(security_hook_heads.shm_associate), |
| 1801 | .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl), |
| 1802 | .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat), |
| 1803 | .sem_alloc_security = |
| 1804 | LIST_HEAD_INIT(security_hook_heads.sem_alloc_security), |
| 1805 | .sem_free_security = |
| 1806 | LIST_HEAD_INIT(security_hook_heads.sem_free_security), |
| 1807 | .sem_associate = |
| 1808 | LIST_HEAD_INIT(security_hook_heads.sem_associate), |
| 1809 | .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl), |
| 1810 | .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop), |
| 1811 | .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send), |
| 1812 | .d_instantiate = |
| 1813 | LIST_HEAD_INIT(security_hook_heads.d_instantiate), |
| 1814 | .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr), |
| 1815 | .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr), |
| 1816 | .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel), |
| 1817 | .secid_to_secctx = |
| 1818 | LIST_HEAD_INIT(security_hook_heads.secid_to_secctx), |
| 1819 | .secctx_to_secid = |
| 1820 | LIST_HEAD_INIT(security_hook_heads.secctx_to_secid), |
| 1821 | .release_secctx = |
| 1822 | LIST_HEAD_INIT(security_hook_heads.release_secctx), |
| 1823 | .inode_invalidate_secctx = |
| 1824 | LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx), |
| 1825 | .inode_notifysecctx = |
| 1826 | LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx), |
| 1827 | .inode_setsecctx = |
| 1828 | LIST_HEAD_INIT(security_hook_heads.inode_setsecctx), |
| 1829 | .inode_getsecctx = |
| 1830 | LIST_HEAD_INIT(security_hook_heads.inode_getsecctx), |
| 1831 | #ifdef CONFIG_SECURITY_NETWORK |
| 1832 | .unix_stream_connect = |
| 1833 | LIST_HEAD_INIT(security_hook_heads.unix_stream_connect), |
| 1834 | .unix_may_send = |
| 1835 | LIST_HEAD_INIT(security_hook_heads.unix_may_send), |
| 1836 | .socket_create = |
| 1837 | LIST_HEAD_INIT(security_hook_heads.socket_create), |
| 1838 | .socket_post_create = |
| 1839 | LIST_HEAD_INIT(security_hook_heads.socket_post_create), |
| 1840 | .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind), |
| 1841 | .socket_connect = |
| 1842 | LIST_HEAD_INIT(security_hook_heads.socket_connect), |
| 1843 | .socket_listen = |
| 1844 | LIST_HEAD_INIT(security_hook_heads.socket_listen), |
| 1845 | .socket_accept = |
| 1846 | LIST_HEAD_INIT(security_hook_heads.socket_accept), |
| 1847 | .socket_sendmsg = |
| 1848 | LIST_HEAD_INIT(security_hook_heads.socket_sendmsg), |
| 1849 | .socket_recvmsg = |
| 1850 | LIST_HEAD_INIT(security_hook_heads.socket_recvmsg), |
| 1851 | .socket_getsockname = |
| 1852 | LIST_HEAD_INIT(security_hook_heads.socket_getsockname), |
| 1853 | .socket_getpeername = |
| 1854 | LIST_HEAD_INIT(security_hook_heads.socket_getpeername), |
| 1855 | .socket_getsockopt = |
| 1856 | LIST_HEAD_INIT(security_hook_heads.socket_getsockopt), |
| 1857 | .socket_setsockopt = |
| 1858 | LIST_HEAD_INIT(security_hook_heads.socket_setsockopt), |
| 1859 | .socket_shutdown = |
| 1860 | LIST_HEAD_INIT(security_hook_heads.socket_shutdown), |
| 1861 | .socket_sock_rcv_skb = |
| 1862 | LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb), |
| 1863 | .socket_getpeersec_stream = |
| 1864 | LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream), |
| 1865 | .socket_getpeersec_dgram = |
| 1866 | LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram), |
| 1867 | .sk_alloc_security = |
| 1868 | LIST_HEAD_INIT(security_hook_heads.sk_alloc_security), |
| 1869 | .sk_free_security = |
| 1870 | LIST_HEAD_INIT(security_hook_heads.sk_free_security), |
| 1871 | .sk_clone_security = |
| 1872 | LIST_HEAD_INIT(security_hook_heads.sk_clone_security), |
| 1873 | .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid), |
| 1874 | .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft), |
| 1875 | .inet_conn_request = |
| 1876 | LIST_HEAD_INIT(security_hook_heads.inet_conn_request), |
| 1877 | .inet_csk_clone = |
| 1878 | LIST_HEAD_INIT(security_hook_heads.inet_csk_clone), |
| 1879 | .inet_conn_established = |
| 1880 | LIST_HEAD_INIT(security_hook_heads.inet_conn_established), |
| 1881 | .secmark_relabel_packet = |
| 1882 | LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet), |
| 1883 | .secmark_refcount_inc = |
| 1884 | LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc), |
| 1885 | .secmark_refcount_dec = |
| 1886 | LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec), |
| 1887 | .req_classify_flow = |
| 1888 | LIST_HEAD_INIT(security_hook_heads.req_classify_flow), |
| 1889 | .tun_dev_alloc_security = |
| 1890 | LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security), |
| 1891 | .tun_dev_free_security = |
| 1892 | LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security), |
| 1893 | .tun_dev_create = |
| 1894 | LIST_HEAD_INIT(security_hook_heads.tun_dev_create), |
| 1895 | .tun_dev_attach_queue = |
| 1896 | LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue), |
| 1897 | .tun_dev_attach = |
| 1898 | LIST_HEAD_INIT(security_hook_heads.tun_dev_attach), |
| 1899 | .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open), |
| 1900 | #endif /* CONFIG_SECURITY_NETWORK */ |
| 1901 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| 1902 | .xfrm_policy_alloc_security = |
| 1903 | LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security), |
| 1904 | .xfrm_policy_clone_security = |
| 1905 | LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security), |
| 1906 | .xfrm_policy_free_security = |
| 1907 | LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security), |
| 1908 | .xfrm_policy_delete_security = |
| 1909 | LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security), |
| 1910 | .xfrm_state_alloc = |
| 1911 | LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc), |
| 1912 | .xfrm_state_alloc_acquire = |
| 1913 | LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire), |
| 1914 | .xfrm_state_free_security = |
| 1915 | LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security), |
| 1916 | .xfrm_state_delete_security = |
| 1917 | LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security), |
| 1918 | .xfrm_policy_lookup = |
| 1919 | LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup), |
| 1920 | .xfrm_state_pol_flow_match = |
| 1921 | LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match), |
| 1922 | .xfrm_decode_session = |
| 1923 | LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session), |
| 1924 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
| 1925 | #ifdef CONFIG_KEYS |
| 1926 | .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc), |
| 1927 | .key_free = LIST_HEAD_INIT(security_hook_heads.key_free), |
| 1928 | .key_permission = |
| 1929 | LIST_HEAD_INIT(security_hook_heads.key_permission), |
| 1930 | .key_getsecurity = |
| 1931 | LIST_HEAD_INIT(security_hook_heads.key_getsecurity), |
| 1932 | #endif /* CONFIG_KEYS */ |
| 1933 | #ifdef CONFIG_AUDIT |
| 1934 | .audit_rule_init = |
| 1935 | LIST_HEAD_INIT(security_hook_heads.audit_rule_init), |
| 1936 | .audit_rule_known = |
| 1937 | LIST_HEAD_INIT(security_hook_heads.audit_rule_known), |
| 1938 | .audit_rule_match = |
| 1939 | LIST_HEAD_INIT(security_hook_heads.audit_rule_match), |
| 1940 | .audit_rule_free = |
| 1941 | LIST_HEAD_INIT(security_hook_heads.audit_rule_free), |
| 1942 | #endif /* CONFIG_AUDIT */ |
| 1943 | }; |