| 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/module.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/security.h> |
| 19 | #include <linux/integrity.h> |
| 20 | #include <linux/ima.h> |
| 21 | #include <linux/evm.h> |
| 22 | #include <linux/fsnotify.h> |
| 23 | #include <net/flow.h> |
| 24 | |
| 25 | #define MAX_LSM_EVM_XATTR 2 |
| 26 | |
| 27 | /* Boot-time LSM user choice */ |
| 28 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
| 29 | CONFIG_DEFAULT_SECURITY; |
| 30 | |
| 31 | static struct security_operations *security_ops; |
| 32 | static struct security_operations default_security_ops = { |
| 33 | .name = "default", |
| 34 | }; |
| 35 | |
| 36 | static inline int __init verify(struct security_operations *ops) |
| 37 | { |
| 38 | /* verify the security_operations structure exists */ |
| 39 | if (!ops) |
| 40 | return -EINVAL; |
| 41 | security_fixup_ops(ops); |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | static void __init do_security_initcalls(void) |
| 46 | { |
| 47 | initcall_t *call; |
| 48 | call = __security_initcall_start; |
| 49 | while (call < __security_initcall_end) { |
| 50 | (*call) (); |
| 51 | call++; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * security_init - initializes the security framework |
| 57 | * |
| 58 | * This should be called early in the kernel initialization sequence. |
| 59 | */ |
| 60 | int __init security_init(void) |
| 61 | { |
| 62 | printk(KERN_INFO "Security Framework initialized\n"); |
| 63 | |
| 64 | security_fixup_ops(&default_security_ops); |
| 65 | security_ops = &default_security_ops; |
| 66 | do_security_initcalls(); |
| 67 | |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | void reset_security_ops(void) |
| 72 | { |
| 73 | security_ops = &default_security_ops; |
| 74 | } |
| 75 | |
| 76 | /* Save user chosen LSM */ |
| 77 | static int __init choose_lsm(char *str) |
| 78 | { |
| 79 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); |
| 80 | return 1; |
| 81 | } |
| 82 | __setup("security=", choose_lsm); |
| 83 | |
| 84 | /** |
| 85 | * security_module_enable - Load given security module on boot ? |
| 86 | * @ops: a pointer to the struct security_operations that is to be checked. |
| 87 | * |
| 88 | * Each LSM must pass this method before registering its own operations |
| 89 | * to avoid security registration races. This method may also be used |
| 90 | * to check if your LSM is currently loaded during kernel initialization. |
| 91 | * |
| 92 | * Return true if: |
| 93 | * -The passed LSM is the one chosen by user at boot time, |
| 94 | * -or the passed LSM is configured as the default and the user did not |
| 95 | * choose an alternate LSM at boot time. |
| 96 | * Otherwise, return false. |
| 97 | */ |
| 98 | int __init security_module_enable(struct security_operations *ops) |
| 99 | { |
| 100 | return !strcmp(ops->name, chosen_lsm); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * register_security - registers a security framework with the kernel |
| 105 | * @ops: a pointer to the struct security_options that is to be registered |
| 106 | * |
| 107 | * This function allows a security module to register itself with the |
| 108 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
| 109 | * value passed to this function. You'll need to check first if your LSM |
| 110 | * is allowed to register its @ops by calling security_module_enable(@ops). |
| 111 | * |
| 112 | * If there is already a security module registered with the kernel, |
| 113 | * an error will be returned. Otherwise %0 is returned on success. |
| 114 | */ |
| 115 | int __init register_security(struct security_operations *ops) |
| 116 | { |
| 117 | if (verify(ops)) { |
| 118 | printk(KERN_DEBUG "%s could not verify " |
| 119 | "security_operations structure.\n", __func__); |
| 120 | return -EINVAL; |
| 121 | } |
| 122 | |
| 123 | if (security_ops != &default_security_ops) |
| 124 | return -EAGAIN; |
| 125 | |
| 126 | security_ops = ops; |
| 127 | |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | /* Security operations */ |
| 132 | |
| 133 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
| 134 | { |
| 135 | return security_ops->ptrace_access_check(child, mode); |
| 136 | } |
| 137 | |
| 138 | int security_ptrace_traceme(struct task_struct *parent) |
| 139 | { |
| 140 | return security_ops->ptrace_traceme(parent); |
| 141 | } |
| 142 | |
| 143 | int security_capget(struct task_struct *target, |
| 144 | kernel_cap_t *effective, |
| 145 | kernel_cap_t *inheritable, |
| 146 | kernel_cap_t *permitted) |
| 147 | { |
| 148 | return security_ops->capget(target, effective, inheritable, permitted); |
| 149 | } |
| 150 | |
| 151 | int security_capset(struct cred *new, const struct cred *old, |
| 152 | const kernel_cap_t *effective, |
| 153 | const kernel_cap_t *inheritable, |
| 154 | const kernel_cap_t *permitted) |
| 155 | { |
| 156 | return security_ops->capset(new, old, |
| 157 | effective, inheritable, permitted); |
| 158 | } |
| 159 | |
| 160 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
| 161 | int cap) |
| 162 | { |
| 163 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
| 164 | } |
| 165 | |
| 166 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
| 167 | int cap) |
| 168 | { |
| 169 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
| 170 | } |
| 171 | |
| 172 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
| 173 | { |
| 174 | return security_ops->quotactl(cmds, type, id, sb); |
| 175 | } |
| 176 | |
| 177 | int security_quota_on(struct dentry *dentry) |
| 178 | { |
| 179 | return security_ops->quota_on(dentry); |
| 180 | } |
| 181 | |
| 182 | int security_syslog(int type) |
| 183 | { |
| 184 | return security_ops->syslog(type); |
| 185 | } |
| 186 | |
| 187 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
| 188 | { |
| 189 | return security_ops->settime(ts, tz); |
| 190 | } |
| 191 | |
| 192 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
| 193 | { |
| 194 | return security_ops->vm_enough_memory(mm, pages); |
| 195 | } |
| 196 | |
| 197 | int security_bprm_set_creds(struct linux_binprm *bprm) |
| 198 | { |
| 199 | return security_ops->bprm_set_creds(bprm); |
| 200 | } |
| 201 | |
| 202 | int security_bprm_check(struct linux_binprm *bprm) |
| 203 | { |
| 204 | int ret; |
| 205 | |
| 206 | ret = security_ops->bprm_check_security(bprm); |
| 207 | if (ret) |
| 208 | return ret; |
| 209 | return ima_bprm_check(bprm); |
| 210 | } |
| 211 | |
| 212 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
| 213 | { |
| 214 | security_ops->bprm_committing_creds(bprm); |
| 215 | } |
| 216 | |
| 217 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
| 218 | { |
| 219 | security_ops->bprm_committed_creds(bprm); |
| 220 | } |
| 221 | |
| 222 | int security_bprm_secureexec(struct linux_binprm *bprm) |
| 223 | { |
| 224 | return security_ops->bprm_secureexec(bprm); |
| 225 | } |
| 226 | |
| 227 | int security_sb_alloc(struct super_block *sb) |
| 228 | { |
| 229 | return security_ops->sb_alloc_security(sb); |
| 230 | } |
| 231 | |
| 232 | void security_sb_free(struct super_block *sb) |
| 233 | { |
| 234 | security_ops->sb_free_security(sb); |
| 235 | } |
| 236 | |
| 237 | int security_sb_copy_data(char *orig, char *copy) |
| 238 | { |
| 239 | return security_ops->sb_copy_data(orig, copy); |
| 240 | } |
| 241 | EXPORT_SYMBOL(security_sb_copy_data); |
| 242 | |
| 243 | int security_sb_remount(struct super_block *sb, void *data) |
| 244 | { |
| 245 | return security_ops->sb_remount(sb, data); |
| 246 | } |
| 247 | |
| 248 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
| 249 | { |
| 250 | return security_ops->sb_kern_mount(sb, flags, data); |
| 251 | } |
| 252 | |
| 253 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
| 254 | { |
| 255 | return security_ops->sb_show_options(m, sb); |
| 256 | } |
| 257 | |
| 258 | int security_sb_statfs(struct dentry *dentry) |
| 259 | { |
| 260 | return security_ops->sb_statfs(dentry); |
| 261 | } |
| 262 | |
| 263 | int security_sb_mount(char *dev_name, struct path *path, |
| 264 | char *type, unsigned long flags, void *data) |
| 265 | { |
| 266 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
| 267 | } |
| 268 | |
| 269 | int security_sb_umount(struct vfsmount *mnt, int flags) |
| 270 | { |
| 271 | return security_ops->sb_umount(mnt, flags); |
| 272 | } |
| 273 | |
| 274 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
| 275 | { |
| 276 | return security_ops->sb_pivotroot(old_path, new_path); |
| 277 | } |
| 278 | |
| 279 | int security_sb_set_mnt_opts(struct super_block *sb, |
| 280 | struct security_mnt_opts *opts) |
| 281 | { |
| 282 | return security_ops->sb_set_mnt_opts(sb, opts); |
| 283 | } |
| 284 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
| 285 | |
| 286 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, |
| 287 | struct super_block *newsb) |
| 288 | { |
| 289 | security_ops->sb_clone_mnt_opts(oldsb, newsb); |
| 290 | } |
| 291 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
| 292 | |
| 293 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) |
| 294 | { |
| 295 | return security_ops->sb_parse_opts_str(options, opts); |
| 296 | } |
| 297 | EXPORT_SYMBOL(security_sb_parse_opts_str); |
| 298 | |
| 299 | int security_inode_alloc(struct inode *inode) |
| 300 | { |
| 301 | inode->i_security = NULL; |
| 302 | return security_ops->inode_alloc_security(inode); |
| 303 | } |
| 304 | |
| 305 | void security_inode_free(struct inode *inode) |
| 306 | { |
| 307 | integrity_inode_free(inode); |
| 308 | security_ops->inode_free_security(inode); |
| 309 | } |
| 310 | |
| 311 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
| 312 | const struct qstr *qstr, |
| 313 | const initxattrs initxattrs, void *fs_data) |
| 314 | { |
| 315 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
| 316 | struct xattr *lsm_xattr, *evm_xattr, *xattr; |
| 317 | int ret; |
| 318 | |
| 319 | if (unlikely(IS_PRIVATE(inode))) |
| 320 | return 0; |
| 321 | |
| 322 | memset(new_xattrs, 0, sizeof new_xattrs); |
| 323 | if (!initxattrs) |
| 324 | return security_ops->inode_init_security(inode, dir, qstr, |
| 325 | NULL, NULL, NULL); |
| 326 | lsm_xattr = new_xattrs; |
| 327 | ret = security_ops->inode_init_security(inode, dir, qstr, |
| 328 | &lsm_xattr->name, |
| 329 | &lsm_xattr->value, |
| 330 | &lsm_xattr->value_len); |
| 331 | if (ret) |
| 332 | goto out; |
| 333 | |
| 334 | evm_xattr = lsm_xattr + 1; |
| 335 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); |
| 336 | if (ret) |
| 337 | goto out; |
| 338 | ret = initxattrs(inode, new_xattrs, fs_data); |
| 339 | out: |
| 340 | for (xattr = new_xattrs; xattr->name != NULL; xattr++) { |
| 341 | kfree(xattr->name); |
| 342 | kfree(xattr->value); |
| 343 | } |
| 344 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
| 345 | } |
| 346 | EXPORT_SYMBOL(security_inode_init_security); |
| 347 | |
| 348 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, |
| 349 | const struct qstr *qstr, char **name, |
| 350 | void **value, size_t *len) |
| 351 | { |
| 352 | if (unlikely(IS_PRIVATE(inode))) |
| 353 | return -EOPNOTSUPP; |
| 354 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
| 355 | len); |
| 356 | } |
| 357 | EXPORT_SYMBOL(security_old_inode_init_security); |
| 358 | |
| 359 | #ifdef CONFIG_SECURITY_PATH |
| 360 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
| 361 | unsigned int dev) |
| 362 | { |
| 363 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
| 364 | return 0; |
| 365 | return security_ops->path_mknod(dir, dentry, mode, dev); |
| 366 | } |
| 367 | EXPORT_SYMBOL(security_path_mknod); |
| 368 | |
| 369 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
| 370 | { |
| 371 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
| 372 | return 0; |
| 373 | return security_ops->path_mkdir(dir, dentry, mode); |
| 374 | } |
| 375 | EXPORT_SYMBOL(security_path_mkdir); |
| 376 | |
| 377 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
| 378 | { |
| 379 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
| 380 | return 0; |
| 381 | return security_ops->path_rmdir(dir, dentry); |
| 382 | } |
| 383 | |
| 384 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
| 385 | { |
| 386 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
| 387 | return 0; |
| 388 | return security_ops->path_unlink(dir, dentry); |
| 389 | } |
| 390 | EXPORT_SYMBOL(security_path_unlink); |
| 391 | |
| 392 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
| 393 | const char *old_name) |
| 394 | { |
| 395 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
| 396 | return 0; |
| 397 | return security_ops->path_symlink(dir, dentry, old_name); |
| 398 | } |
| 399 | |
| 400 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, |
| 401 | struct dentry *new_dentry) |
| 402 | { |
| 403 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
| 404 | return 0; |
| 405 | return security_ops->path_link(old_dentry, new_dir, new_dentry); |
| 406 | } |
| 407 | |
| 408 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, |
| 409 | struct path *new_dir, struct dentry *new_dentry) |
| 410 | { |
| 411 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
| 412 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
| 413 | return 0; |
| 414 | return security_ops->path_rename(old_dir, old_dentry, new_dir, |
| 415 | new_dentry); |
| 416 | } |
| 417 | EXPORT_SYMBOL(security_path_rename); |
| 418 | |
| 419 | int security_path_truncate(struct path *path) |
| 420 | { |
| 421 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
| 422 | return 0; |
| 423 | return security_ops->path_truncate(path); |
| 424 | } |
| 425 | |
| 426 | int security_path_chmod(struct path *path, umode_t mode) |
| 427 | { |
| 428 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
| 429 | return 0; |
| 430 | return security_ops->path_chmod(path, mode); |
| 431 | } |
| 432 | |
| 433 | int security_path_chown(struct path *path, uid_t uid, gid_t gid) |
| 434 | { |
| 435 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
| 436 | return 0; |
| 437 | return security_ops->path_chown(path, uid, gid); |
| 438 | } |
| 439 | |
| 440 | int security_path_chroot(struct path *path) |
| 441 | { |
| 442 | return security_ops->path_chroot(path); |
| 443 | } |
| 444 | #endif |
| 445 | |
| 446 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
| 447 | { |
| 448 | if (unlikely(IS_PRIVATE(dir))) |
| 449 | return 0; |
| 450 | return security_ops->inode_create(dir, dentry, mode); |
| 451 | } |
| 452 | EXPORT_SYMBOL_GPL(security_inode_create); |
| 453 | |
| 454 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, |
| 455 | struct dentry *new_dentry) |
| 456 | { |
| 457 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
| 458 | return 0; |
| 459 | return security_ops->inode_link(old_dentry, dir, new_dentry); |
| 460 | } |
| 461 | |
| 462 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) |
| 463 | { |
| 464 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 465 | return 0; |
| 466 | return security_ops->inode_unlink(dir, dentry); |
| 467 | } |
| 468 | |
| 469 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, |
| 470 | const char *old_name) |
| 471 | { |
| 472 | if (unlikely(IS_PRIVATE(dir))) |
| 473 | return 0; |
| 474 | return security_ops->inode_symlink(dir, dentry, old_name); |
| 475 | } |
| 476 | |
| 477 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
| 478 | { |
| 479 | if (unlikely(IS_PRIVATE(dir))) |
| 480 | return 0; |
| 481 | return security_ops->inode_mkdir(dir, dentry, mode); |
| 482 | } |
| 483 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
| 484 | |
| 485 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) |
| 486 | { |
| 487 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 488 | return 0; |
| 489 | return security_ops->inode_rmdir(dir, dentry); |
| 490 | } |
| 491 | |
| 492 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
| 493 | { |
| 494 | if (unlikely(IS_PRIVATE(dir))) |
| 495 | return 0; |
| 496 | return security_ops->inode_mknod(dir, dentry, mode, dev); |
| 497 | } |
| 498 | |
| 499 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, |
| 500 | struct inode *new_dir, struct dentry *new_dentry) |
| 501 | { |
| 502 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
| 503 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
| 504 | return 0; |
| 505 | return security_ops->inode_rename(old_dir, old_dentry, |
| 506 | new_dir, new_dentry); |
| 507 | } |
| 508 | |
| 509 | int security_inode_readlink(struct dentry *dentry) |
| 510 | { |
| 511 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 512 | return 0; |
| 513 | return security_ops->inode_readlink(dentry); |
| 514 | } |
| 515 | |
| 516 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) |
| 517 | { |
| 518 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 519 | return 0; |
| 520 | return security_ops->inode_follow_link(dentry, nd); |
| 521 | } |
| 522 | |
| 523 | int security_inode_permission(struct inode *inode, int mask) |
| 524 | { |
| 525 | if (unlikely(IS_PRIVATE(inode))) |
| 526 | return 0; |
| 527 | return security_ops->inode_permission(inode, mask); |
| 528 | } |
| 529 | |
| 530 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) |
| 531 | { |
| 532 | int ret; |
| 533 | |
| 534 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 535 | return 0; |
| 536 | ret = security_ops->inode_setattr(dentry, attr); |
| 537 | if (ret) |
| 538 | return ret; |
| 539 | return evm_inode_setattr(dentry, attr); |
| 540 | } |
| 541 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
| 542 | |
| 543 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
| 544 | { |
| 545 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 546 | return 0; |
| 547 | return security_ops->inode_getattr(mnt, dentry); |
| 548 | } |
| 549 | |
| 550 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
| 551 | const void *value, size_t size, int flags) |
| 552 | { |
| 553 | int ret; |
| 554 | |
| 555 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 556 | return 0; |
| 557 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
| 558 | if (ret) |
| 559 | return ret; |
| 560 | return evm_inode_setxattr(dentry, name, value, size); |
| 561 | } |
| 562 | |
| 563 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
| 564 | const void *value, size_t size, int flags) |
| 565 | { |
| 566 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 567 | return; |
| 568 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); |
| 569 | evm_inode_post_setxattr(dentry, name, value, size); |
| 570 | } |
| 571 | |
| 572 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
| 573 | { |
| 574 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 575 | return 0; |
| 576 | return security_ops->inode_getxattr(dentry, name); |
| 577 | } |
| 578 | |
| 579 | int security_inode_listxattr(struct dentry *dentry) |
| 580 | { |
| 581 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 582 | return 0; |
| 583 | return security_ops->inode_listxattr(dentry); |
| 584 | } |
| 585 | |
| 586 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
| 587 | { |
| 588 | int ret; |
| 589 | |
| 590 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 591 | return 0; |
| 592 | ret = security_ops->inode_removexattr(dentry, name); |
| 593 | if (ret) |
| 594 | return ret; |
| 595 | return evm_inode_removexattr(dentry, name); |
| 596 | } |
| 597 | |
| 598 | int security_inode_need_killpriv(struct dentry *dentry) |
| 599 | { |
| 600 | return security_ops->inode_need_killpriv(dentry); |
| 601 | } |
| 602 | |
| 603 | int security_inode_killpriv(struct dentry *dentry) |
| 604 | { |
| 605 | return security_ops->inode_killpriv(dentry); |
| 606 | } |
| 607 | |
| 608 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
| 609 | { |
| 610 | if (unlikely(IS_PRIVATE(inode))) |
| 611 | return -EOPNOTSUPP; |
| 612 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
| 613 | } |
| 614 | |
| 615 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
| 616 | { |
| 617 | if (unlikely(IS_PRIVATE(inode))) |
| 618 | return -EOPNOTSUPP; |
| 619 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
| 620 | } |
| 621 | |
| 622 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
| 623 | { |
| 624 | if (unlikely(IS_PRIVATE(inode))) |
| 625 | return 0; |
| 626 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); |
| 627 | } |
| 628 | |
| 629 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
| 630 | { |
| 631 | security_ops->inode_getsecid(inode, secid); |
| 632 | } |
| 633 | |
| 634 | int security_file_permission(struct file *file, int mask) |
| 635 | { |
| 636 | int ret; |
| 637 | |
| 638 | ret = security_ops->file_permission(file, mask); |
| 639 | if (ret) |
| 640 | return ret; |
| 641 | |
| 642 | return fsnotify_perm(file, mask); |
| 643 | } |
| 644 | |
| 645 | int security_file_alloc(struct file *file) |
| 646 | { |
| 647 | return security_ops->file_alloc_security(file); |
| 648 | } |
| 649 | |
| 650 | void security_file_free(struct file *file) |
| 651 | { |
| 652 | security_ops->file_free_security(file); |
| 653 | } |
| 654 | |
| 655 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 656 | { |
| 657 | return security_ops->file_ioctl(file, cmd, arg); |
| 658 | } |
| 659 | |
| 660 | int security_mmap_file(struct file *file, unsigned long reqprot, |
| 661 | unsigned long prot, unsigned long flags) |
| 662 | { |
| 663 | int ret; |
| 664 | |
| 665 | ret = security_ops->mmap_file(file, reqprot, prot, flags); |
| 666 | if (ret) |
| 667 | return ret; |
| 668 | return ima_file_mmap(file, prot); |
| 669 | } |
| 670 | |
| 671 | int security_mmap_addr(unsigned long addr) |
| 672 | { |
| 673 | return security_ops->mmap_addr(addr); |
| 674 | } |
| 675 | |
| 676 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
| 677 | unsigned long prot) |
| 678 | { |
| 679 | return security_ops->file_mprotect(vma, reqprot, prot); |
| 680 | } |
| 681 | |
| 682 | int security_file_lock(struct file *file, unsigned int cmd) |
| 683 | { |
| 684 | return security_ops->file_lock(file, cmd); |
| 685 | } |
| 686 | |
| 687 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) |
| 688 | { |
| 689 | return security_ops->file_fcntl(file, cmd, arg); |
| 690 | } |
| 691 | |
| 692 | int security_file_set_fowner(struct file *file) |
| 693 | { |
| 694 | return security_ops->file_set_fowner(file); |
| 695 | } |
| 696 | |
| 697 | int security_file_send_sigiotask(struct task_struct *tsk, |
| 698 | struct fown_struct *fown, int sig) |
| 699 | { |
| 700 | return security_ops->file_send_sigiotask(tsk, fown, sig); |
| 701 | } |
| 702 | |
| 703 | int security_file_receive(struct file *file) |
| 704 | { |
| 705 | return security_ops->file_receive(file); |
| 706 | } |
| 707 | |
| 708 | int security_file_open(struct file *file, const struct cred *cred) |
| 709 | { |
| 710 | int ret; |
| 711 | |
| 712 | ret = security_ops->file_open(file, cred); |
| 713 | if (ret) |
| 714 | return ret; |
| 715 | |
| 716 | return fsnotify_perm(file, MAY_OPEN); |
| 717 | } |
| 718 | |
| 719 | int security_task_create(unsigned long clone_flags) |
| 720 | { |
| 721 | return security_ops->task_create(clone_flags); |
| 722 | } |
| 723 | |
| 724 | void security_task_free(struct task_struct *task) |
| 725 | { |
| 726 | security_ops->task_free(task); |
| 727 | } |
| 728 | |
| 729 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
| 730 | { |
| 731 | return security_ops->cred_alloc_blank(cred, gfp); |
| 732 | } |
| 733 | |
| 734 | void security_cred_free(struct cred *cred) |
| 735 | { |
| 736 | security_ops->cred_free(cred); |
| 737 | } |
| 738 | |
| 739 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
| 740 | { |
| 741 | return security_ops->cred_prepare(new, old, gfp); |
| 742 | } |
| 743 | |
| 744 | void security_transfer_creds(struct cred *new, const struct cred *old) |
| 745 | { |
| 746 | security_ops->cred_transfer(new, old); |
| 747 | } |
| 748 | |
| 749 | int security_kernel_act_as(struct cred *new, u32 secid) |
| 750 | { |
| 751 | return security_ops->kernel_act_as(new, secid); |
| 752 | } |
| 753 | |
| 754 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) |
| 755 | { |
| 756 | return security_ops->kernel_create_files_as(new, inode); |
| 757 | } |
| 758 | |
| 759 | int security_kernel_module_request(char *kmod_name) |
| 760 | { |
| 761 | return security_ops->kernel_module_request(kmod_name); |
| 762 | } |
| 763 | |
| 764 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
| 765 | int flags) |
| 766 | { |
| 767 | return security_ops->task_fix_setuid(new, old, flags); |
| 768 | } |
| 769 | |
| 770 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
| 771 | { |
| 772 | return security_ops->task_setpgid(p, pgid); |
| 773 | } |
| 774 | |
| 775 | int security_task_getpgid(struct task_struct *p) |
| 776 | { |
| 777 | return security_ops->task_getpgid(p); |
| 778 | } |
| 779 | |
| 780 | int security_task_getsid(struct task_struct *p) |
| 781 | { |
| 782 | return security_ops->task_getsid(p); |
| 783 | } |
| 784 | |
| 785 | void security_task_getsecid(struct task_struct *p, u32 *secid) |
| 786 | { |
| 787 | security_ops->task_getsecid(p, secid); |
| 788 | } |
| 789 | EXPORT_SYMBOL(security_task_getsecid); |
| 790 | |
| 791 | int security_task_setnice(struct task_struct *p, int nice) |
| 792 | { |
| 793 | return security_ops->task_setnice(p, nice); |
| 794 | } |
| 795 | |
| 796 | int security_task_setioprio(struct task_struct *p, int ioprio) |
| 797 | { |
| 798 | return security_ops->task_setioprio(p, ioprio); |
| 799 | } |
| 800 | |
| 801 | int security_task_getioprio(struct task_struct *p) |
| 802 | { |
| 803 | return security_ops->task_getioprio(p); |
| 804 | } |
| 805 | |
| 806 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
| 807 | struct rlimit *new_rlim) |
| 808 | { |
| 809 | return security_ops->task_setrlimit(p, resource, new_rlim); |
| 810 | } |
| 811 | |
| 812 | int security_task_setscheduler(struct task_struct *p) |
| 813 | { |
| 814 | return security_ops->task_setscheduler(p); |
| 815 | } |
| 816 | |
| 817 | int security_task_getscheduler(struct task_struct *p) |
| 818 | { |
| 819 | return security_ops->task_getscheduler(p); |
| 820 | } |
| 821 | |
| 822 | int security_task_movememory(struct task_struct *p) |
| 823 | { |
| 824 | return security_ops->task_movememory(p); |
| 825 | } |
| 826 | |
| 827 | int security_task_kill(struct task_struct *p, struct siginfo *info, |
| 828 | int sig, u32 secid) |
| 829 | { |
| 830 | return security_ops->task_kill(p, info, sig, secid); |
| 831 | } |
| 832 | |
| 833 | int security_task_wait(struct task_struct *p) |
| 834 | { |
| 835 | return security_ops->task_wait(p); |
| 836 | } |
| 837 | |
| 838 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
| 839 | unsigned long arg4, unsigned long arg5) |
| 840 | { |
| 841 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
| 842 | } |
| 843 | |
| 844 | void security_task_to_inode(struct task_struct *p, struct inode *inode) |
| 845 | { |
| 846 | security_ops->task_to_inode(p, inode); |
| 847 | } |
| 848 | |
| 849 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
| 850 | { |
| 851 | return security_ops->ipc_permission(ipcp, flag); |
| 852 | } |
| 853 | |
| 854 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
| 855 | { |
| 856 | security_ops->ipc_getsecid(ipcp, secid); |
| 857 | } |
| 858 | |
| 859 | int security_msg_msg_alloc(struct msg_msg *msg) |
| 860 | { |
| 861 | return security_ops->msg_msg_alloc_security(msg); |
| 862 | } |
| 863 | |
| 864 | void security_msg_msg_free(struct msg_msg *msg) |
| 865 | { |
| 866 | security_ops->msg_msg_free_security(msg); |
| 867 | } |
| 868 | |
| 869 | int security_msg_queue_alloc(struct msg_queue *msq) |
| 870 | { |
| 871 | return security_ops->msg_queue_alloc_security(msq); |
| 872 | } |
| 873 | |
| 874 | void security_msg_queue_free(struct msg_queue *msq) |
| 875 | { |
| 876 | security_ops->msg_queue_free_security(msq); |
| 877 | } |
| 878 | |
| 879 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) |
| 880 | { |
| 881 | return security_ops->msg_queue_associate(msq, msqflg); |
| 882 | } |
| 883 | |
| 884 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
| 885 | { |
| 886 | return security_ops->msg_queue_msgctl(msq, cmd); |
| 887 | } |
| 888 | |
| 889 | int security_msg_queue_msgsnd(struct msg_queue *msq, |
| 890 | struct msg_msg *msg, int msqflg) |
| 891 | { |
| 892 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); |
| 893 | } |
| 894 | |
| 895 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
| 896 | struct task_struct *target, long type, int mode) |
| 897 | { |
| 898 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); |
| 899 | } |
| 900 | |
| 901 | int security_shm_alloc(struct shmid_kernel *shp) |
| 902 | { |
| 903 | return security_ops->shm_alloc_security(shp); |
| 904 | } |
| 905 | |
| 906 | void security_shm_free(struct shmid_kernel *shp) |
| 907 | { |
| 908 | security_ops->shm_free_security(shp); |
| 909 | } |
| 910 | |
| 911 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) |
| 912 | { |
| 913 | return security_ops->shm_associate(shp, shmflg); |
| 914 | } |
| 915 | |
| 916 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) |
| 917 | { |
| 918 | return security_ops->shm_shmctl(shp, cmd); |
| 919 | } |
| 920 | |
| 921 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) |
| 922 | { |
| 923 | return security_ops->shm_shmat(shp, shmaddr, shmflg); |
| 924 | } |
| 925 | |
| 926 | int security_sem_alloc(struct sem_array *sma) |
| 927 | { |
| 928 | return security_ops->sem_alloc_security(sma); |
| 929 | } |
| 930 | |
| 931 | void security_sem_free(struct sem_array *sma) |
| 932 | { |
| 933 | security_ops->sem_free_security(sma); |
| 934 | } |
| 935 | |
| 936 | int security_sem_associate(struct sem_array *sma, int semflg) |
| 937 | { |
| 938 | return security_ops->sem_associate(sma, semflg); |
| 939 | } |
| 940 | |
| 941 | int security_sem_semctl(struct sem_array *sma, int cmd) |
| 942 | { |
| 943 | return security_ops->sem_semctl(sma, cmd); |
| 944 | } |
| 945 | |
| 946 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, |
| 947 | unsigned nsops, int alter) |
| 948 | { |
| 949 | return security_ops->sem_semop(sma, sops, nsops, alter); |
| 950 | } |
| 951 | |
| 952 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) |
| 953 | { |
| 954 | if (unlikely(inode && IS_PRIVATE(inode))) |
| 955 | return; |
| 956 | security_ops->d_instantiate(dentry, inode); |
| 957 | } |
| 958 | EXPORT_SYMBOL(security_d_instantiate); |
| 959 | |
| 960 | int security_getprocattr(struct task_struct *p, char *name, char **value) |
| 961 | { |
| 962 | return security_ops->getprocattr(p, name, value); |
| 963 | } |
| 964 | |
| 965 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
| 966 | { |
| 967 | return security_ops->setprocattr(p, name, value, size); |
| 968 | } |
| 969 | |
| 970 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
| 971 | { |
| 972 | return security_ops->netlink_send(sk, skb); |
| 973 | } |
| 974 | |
| 975 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
| 976 | { |
| 977 | return security_ops->secid_to_secctx(secid, secdata, seclen); |
| 978 | } |
| 979 | EXPORT_SYMBOL(security_secid_to_secctx); |
| 980 | |
| 981 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
| 982 | { |
| 983 | return security_ops->secctx_to_secid(secdata, seclen, secid); |
| 984 | } |
| 985 | EXPORT_SYMBOL(security_secctx_to_secid); |
| 986 | |
| 987 | void security_release_secctx(char *secdata, u32 seclen) |
| 988 | { |
| 989 | security_ops->release_secctx(secdata, seclen); |
| 990 | } |
| 991 | EXPORT_SYMBOL(security_release_secctx); |
| 992 | |
| 993 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
| 994 | { |
| 995 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); |
| 996 | } |
| 997 | EXPORT_SYMBOL(security_inode_notifysecctx); |
| 998 | |
| 999 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
| 1000 | { |
| 1001 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); |
| 1002 | } |
| 1003 | EXPORT_SYMBOL(security_inode_setsecctx); |
| 1004 | |
| 1005 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
| 1006 | { |
| 1007 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); |
| 1008 | } |
| 1009 | EXPORT_SYMBOL(security_inode_getsecctx); |
| 1010 | |
| 1011 | #ifdef CONFIG_SECURITY_NETWORK |
| 1012 | |
| 1013 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
| 1014 | { |
| 1015 | return security_ops->unix_stream_connect(sock, other, newsk); |
| 1016 | } |
| 1017 | EXPORT_SYMBOL(security_unix_stream_connect); |
| 1018 | |
| 1019 | int security_unix_may_send(struct socket *sock, struct socket *other) |
| 1020 | { |
| 1021 | return security_ops->unix_may_send(sock, other); |
| 1022 | } |
| 1023 | EXPORT_SYMBOL(security_unix_may_send); |
| 1024 | |
| 1025 | int security_socket_create(int family, int type, int protocol, int kern) |
| 1026 | { |
| 1027 | return security_ops->socket_create(family, type, protocol, kern); |
| 1028 | } |
| 1029 | |
| 1030 | int security_socket_post_create(struct socket *sock, int family, |
| 1031 | int type, int protocol, int kern) |
| 1032 | { |
| 1033 | return security_ops->socket_post_create(sock, family, type, |
| 1034 | protocol, kern); |
| 1035 | } |
| 1036 | |
| 1037 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
| 1038 | { |
| 1039 | return security_ops->socket_bind(sock, address, addrlen); |
| 1040 | } |
| 1041 | |
| 1042 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) |
| 1043 | { |
| 1044 | return security_ops->socket_connect(sock, address, addrlen); |
| 1045 | } |
| 1046 | |
| 1047 | int security_socket_listen(struct socket *sock, int backlog) |
| 1048 | { |
| 1049 | return security_ops->socket_listen(sock, backlog); |
| 1050 | } |
| 1051 | |
| 1052 | int security_socket_accept(struct socket *sock, struct socket *newsock) |
| 1053 | { |
| 1054 | return security_ops->socket_accept(sock, newsock); |
| 1055 | } |
| 1056 | |
| 1057 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
| 1058 | { |
| 1059 | return security_ops->socket_sendmsg(sock, msg, size); |
| 1060 | } |
| 1061 | |
| 1062 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
| 1063 | int size, int flags) |
| 1064 | { |
| 1065 | return security_ops->socket_recvmsg(sock, msg, size, flags); |
| 1066 | } |
| 1067 | |
| 1068 | int security_socket_getsockname(struct socket *sock) |
| 1069 | { |
| 1070 | return security_ops->socket_getsockname(sock); |
| 1071 | } |
| 1072 | |
| 1073 | int security_socket_getpeername(struct socket *sock) |
| 1074 | { |
| 1075 | return security_ops->socket_getpeername(sock); |
| 1076 | } |
| 1077 | |
| 1078 | int security_socket_getsockopt(struct socket *sock, int level, int optname) |
| 1079 | { |
| 1080 | return security_ops->socket_getsockopt(sock, level, optname); |
| 1081 | } |
| 1082 | |
| 1083 | int security_socket_setsockopt(struct socket *sock, int level, int optname) |
| 1084 | { |
| 1085 | return security_ops->socket_setsockopt(sock, level, optname); |
| 1086 | } |
| 1087 | |
| 1088 | int security_socket_shutdown(struct socket *sock, int how) |
| 1089 | { |
| 1090 | return security_ops->socket_shutdown(sock, how); |
| 1091 | } |
| 1092 | |
| 1093 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
| 1094 | { |
| 1095 | return security_ops->socket_sock_rcv_skb(sk, skb); |
| 1096 | } |
| 1097 | EXPORT_SYMBOL(security_sock_rcv_skb); |
| 1098 | |
| 1099 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
| 1100 | int __user *optlen, unsigned len) |
| 1101 | { |
| 1102 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); |
| 1103 | } |
| 1104 | |
| 1105 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
| 1106 | { |
| 1107 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); |
| 1108 | } |
| 1109 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); |
| 1110 | |
| 1111 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
| 1112 | { |
| 1113 | return security_ops->sk_alloc_security(sk, family, priority); |
| 1114 | } |
| 1115 | |
| 1116 | void security_sk_free(struct sock *sk) |
| 1117 | { |
| 1118 | security_ops->sk_free_security(sk); |
| 1119 | } |
| 1120 | |
| 1121 | void security_sk_clone(const struct sock *sk, struct sock *newsk) |
| 1122 | { |
| 1123 | security_ops->sk_clone_security(sk, newsk); |
| 1124 | } |
| 1125 | EXPORT_SYMBOL(security_sk_clone); |
| 1126 | |
| 1127 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
| 1128 | { |
| 1129 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
| 1130 | } |
| 1131 | EXPORT_SYMBOL(security_sk_classify_flow); |
| 1132 | |
| 1133 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) |
| 1134 | { |
| 1135 | security_ops->req_classify_flow(req, fl); |
| 1136 | } |
| 1137 | EXPORT_SYMBOL(security_req_classify_flow); |
| 1138 | |
| 1139 | void security_sock_graft(struct sock *sk, struct socket *parent) |
| 1140 | { |
| 1141 | security_ops->sock_graft(sk, parent); |
| 1142 | } |
| 1143 | EXPORT_SYMBOL(security_sock_graft); |
| 1144 | |
| 1145 | int security_inet_conn_request(struct sock *sk, |
| 1146 | struct sk_buff *skb, struct request_sock *req) |
| 1147 | { |
| 1148 | return security_ops->inet_conn_request(sk, skb, req); |
| 1149 | } |
| 1150 | EXPORT_SYMBOL(security_inet_conn_request); |
| 1151 | |
| 1152 | void security_inet_csk_clone(struct sock *newsk, |
| 1153 | const struct request_sock *req) |
| 1154 | { |
| 1155 | security_ops->inet_csk_clone(newsk, req); |
| 1156 | } |
| 1157 | |
| 1158 | void security_inet_conn_established(struct sock *sk, |
| 1159 | struct sk_buff *skb) |
| 1160 | { |
| 1161 | security_ops->inet_conn_established(sk, skb); |
| 1162 | } |
| 1163 | |
| 1164 | int security_secmark_relabel_packet(u32 secid) |
| 1165 | { |
| 1166 | return security_ops->secmark_relabel_packet(secid); |
| 1167 | } |
| 1168 | EXPORT_SYMBOL(security_secmark_relabel_packet); |
| 1169 | |
| 1170 | void security_secmark_refcount_inc(void) |
| 1171 | { |
| 1172 | security_ops->secmark_refcount_inc(); |
| 1173 | } |
| 1174 | EXPORT_SYMBOL(security_secmark_refcount_inc); |
| 1175 | |
| 1176 | void security_secmark_refcount_dec(void) |
| 1177 | { |
| 1178 | security_ops->secmark_refcount_dec(); |
| 1179 | } |
| 1180 | EXPORT_SYMBOL(security_secmark_refcount_dec); |
| 1181 | |
| 1182 | int security_tun_dev_create(void) |
| 1183 | { |
| 1184 | return security_ops->tun_dev_create(); |
| 1185 | } |
| 1186 | EXPORT_SYMBOL(security_tun_dev_create); |
| 1187 | |
| 1188 | void security_tun_dev_post_create(struct sock *sk) |
| 1189 | { |
| 1190 | return security_ops->tun_dev_post_create(sk); |
| 1191 | } |
| 1192 | EXPORT_SYMBOL(security_tun_dev_post_create); |
| 1193 | |
| 1194 | int security_tun_dev_attach(struct sock *sk) |
| 1195 | { |
| 1196 | return security_ops->tun_dev_attach(sk); |
| 1197 | } |
| 1198 | EXPORT_SYMBOL(security_tun_dev_attach); |
| 1199 | |
| 1200 | #endif /* CONFIG_SECURITY_NETWORK */ |
| 1201 | |
| 1202 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| 1203 | |
| 1204 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
| 1205 | { |
| 1206 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
| 1207 | } |
| 1208 | EXPORT_SYMBOL(security_xfrm_policy_alloc); |
| 1209 | |
| 1210 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
| 1211 | struct xfrm_sec_ctx **new_ctxp) |
| 1212 | { |
| 1213 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
| 1214 | } |
| 1215 | |
| 1216 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
| 1217 | { |
| 1218 | security_ops->xfrm_policy_free_security(ctx); |
| 1219 | } |
| 1220 | EXPORT_SYMBOL(security_xfrm_policy_free); |
| 1221 | |
| 1222 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
| 1223 | { |
| 1224 | return security_ops->xfrm_policy_delete_security(ctx); |
| 1225 | } |
| 1226 | |
| 1227 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) |
| 1228 | { |
| 1229 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); |
| 1230 | } |
| 1231 | EXPORT_SYMBOL(security_xfrm_state_alloc); |
| 1232 | |
| 1233 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
| 1234 | struct xfrm_sec_ctx *polsec, u32 secid) |
| 1235 | { |
| 1236 | if (!polsec) |
| 1237 | return 0; |
| 1238 | /* |
| 1239 | * We want the context to be taken from secid which is usually |
| 1240 | * from the sock. |
| 1241 | */ |
| 1242 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); |
| 1243 | } |
| 1244 | |
| 1245 | int security_xfrm_state_delete(struct xfrm_state *x) |
| 1246 | { |
| 1247 | return security_ops->xfrm_state_delete_security(x); |
| 1248 | } |
| 1249 | EXPORT_SYMBOL(security_xfrm_state_delete); |
| 1250 | |
| 1251 | void security_xfrm_state_free(struct xfrm_state *x) |
| 1252 | { |
| 1253 | security_ops->xfrm_state_free_security(x); |
| 1254 | } |
| 1255 | |
| 1256 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
| 1257 | { |
| 1258 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
| 1259 | } |
| 1260 | |
| 1261 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
| 1262 | struct xfrm_policy *xp, |
| 1263 | const struct flowi *fl) |
| 1264 | { |
| 1265 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); |
| 1266 | } |
| 1267 | |
| 1268 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
| 1269 | { |
| 1270 | return security_ops->xfrm_decode_session(skb, secid, 1); |
| 1271 | } |
| 1272 | |
| 1273 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
| 1274 | { |
| 1275 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
| 1276 | |
| 1277 | BUG_ON(rc); |
| 1278 | } |
| 1279 | EXPORT_SYMBOL(security_skb_classify_flow); |
| 1280 | |
| 1281 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
| 1282 | |
| 1283 | #ifdef CONFIG_KEYS |
| 1284 | |
| 1285 | int security_key_alloc(struct key *key, const struct cred *cred, |
| 1286 | unsigned long flags) |
| 1287 | { |
| 1288 | return security_ops->key_alloc(key, cred, flags); |
| 1289 | } |
| 1290 | |
| 1291 | void security_key_free(struct key *key) |
| 1292 | { |
| 1293 | security_ops->key_free(key); |
| 1294 | } |
| 1295 | |
| 1296 | int security_key_permission(key_ref_t key_ref, |
| 1297 | const struct cred *cred, key_perm_t perm) |
| 1298 | { |
| 1299 | return security_ops->key_permission(key_ref, cred, perm); |
| 1300 | } |
| 1301 | |
| 1302 | int security_key_getsecurity(struct key *key, char **_buffer) |
| 1303 | { |
| 1304 | return security_ops->key_getsecurity(key, _buffer); |
| 1305 | } |
| 1306 | |
| 1307 | #endif /* CONFIG_KEYS */ |
| 1308 | |
| 1309 | #ifdef CONFIG_AUDIT |
| 1310 | |
| 1311 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
| 1312 | { |
| 1313 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); |
| 1314 | } |
| 1315 | |
| 1316 | int security_audit_rule_known(struct audit_krule *krule) |
| 1317 | { |
| 1318 | return security_ops->audit_rule_known(krule); |
| 1319 | } |
| 1320 | |
| 1321 | void security_audit_rule_free(void *lsmrule) |
| 1322 | { |
| 1323 | security_ops->audit_rule_free(lsmrule); |
| 1324 | } |
| 1325 | |
| 1326 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
| 1327 | struct audit_context *actx) |
| 1328 | { |
| 1329 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); |
| 1330 | } |
| 1331 | |
| 1332 | #endif /* CONFIG_AUDIT */ |