Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Randy.Dunlap | c59ede7 | 2006-01-11 12:17:46 -0800 | [diff] [blame] | 14 | #include <linux/capability.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include <linux/module.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <linux/security.h> |
| 19 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
| 21 | /* things that live in dummy.c */ |
| 22 | extern struct security_operations dummy_security_ops; |
| 23 | extern void security_fixup_ops(struct security_operations *ops); |
| 24 | |
| 25 | struct security_operations *security_ops; /* Initialized to NULL */ |
Eric Paris | ed03218 | 2007-06-28 15:55:21 -0400 | [diff] [blame] | 26 | unsigned long mmap_min_addr; /* 0 means no protection */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
| 28 | static inline int verify(struct security_operations *ops) |
| 29 | { |
| 30 | /* verify the security_operations structure exists */ |
| 31 | if (!ops) |
| 32 | return -EINVAL; |
| 33 | security_fixup_ops(ops); |
| 34 | return 0; |
| 35 | } |
| 36 | |
| 37 | static void __init do_security_initcalls(void) |
| 38 | { |
| 39 | initcall_t *call; |
| 40 | call = __security_initcall_start; |
| 41 | while (call < __security_initcall_end) { |
| 42 | (*call) (); |
| 43 | call++; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * security_init - initializes the security framework |
| 49 | * |
| 50 | * This should be called early in the kernel initialization sequence. |
| 51 | */ |
| 52 | int __init security_init(void) |
| 53 | { |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 54 | printk(KERN_INFO "Security Framework initialized\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | if (verify(&dummy_security_ops)) { |
| 57 | printk(KERN_ERR "%s could not verify " |
| 58 | "dummy_security_ops structure.\n", __FUNCTION__); |
| 59 | return -EIO; |
| 60 | } |
| 61 | |
| 62 | security_ops = &dummy_security_ops; |
| 63 | do_security_initcalls(); |
| 64 | |
| 65 | return 0; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * register_security - registers a security framework with the kernel |
| 70 | * @ops: a pointer to the struct security_options that is to be registered |
| 71 | * |
| 72 | * This function is to allow a security module to register itself with the |
| 73 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
Adrian Bunk | cbfee34 | 2007-10-16 23:31:38 -0700 | [diff] [blame] | 74 | * value passed to this function. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | * |
| 76 | * If there is already a security module registered with the kernel, |
| 77 | * an error will be returned. Otherwise 0 is returned on success. |
| 78 | */ |
| 79 | int register_security(struct security_operations *ops) |
| 80 | { |
| 81 | if (verify(ops)) { |
| 82 | printk(KERN_DEBUG "%s could not verify " |
| 83 | "security_operations structure.\n", __FUNCTION__); |
| 84 | return -EINVAL; |
| 85 | } |
| 86 | |
| 87 | if (security_ops != &dummy_security_ops) |
| 88 | return -EAGAIN; |
| 89 | |
| 90 | security_ops = ops; |
| 91 | |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | * mod_reg_security - allows security modules to be "stacked" |
| 97 | * @name: a pointer to a string with the name of the security_options to be registered |
| 98 | * @ops: a pointer to the struct security_options that is to be registered |
| 99 | * |
| 100 | * This function allows security modules to be stacked if the currently loaded |
| 101 | * security module allows this to happen. It passes the @name and @ops to the |
| 102 | * register_security function of the currently loaded security module. |
| 103 | * |
| 104 | * The return value depends on the currently loaded security module, with 0 as |
| 105 | * success. |
| 106 | */ |
| 107 | int mod_reg_security(const char *name, struct security_operations *ops) |
| 108 | { |
| 109 | if (verify(ops)) { |
| 110 | printk(KERN_INFO "%s could not verify " |
| 111 | "security operations.\n", __FUNCTION__); |
| 112 | return -EINVAL; |
| 113 | } |
| 114 | |
| 115 | if (ops == security_ops) { |
| 116 | printk(KERN_INFO "%s security operations " |
| 117 | "already registered.\n", __FUNCTION__); |
| 118 | return -EINVAL; |
| 119 | } |
| 120 | |
| 121 | return security_ops->register_security(name, ops); |
| 122 | } |
| 123 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 124 | /* Security operations */ |
| 125 | |
| 126 | int security_ptrace(struct task_struct *parent, struct task_struct *child) |
| 127 | { |
| 128 | return security_ops->ptrace(parent, child); |
| 129 | } |
| 130 | |
| 131 | int security_capget(struct task_struct *target, |
| 132 | kernel_cap_t *effective, |
| 133 | kernel_cap_t *inheritable, |
| 134 | kernel_cap_t *permitted) |
| 135 | { |
| 136 | return security_ops->capget(target, effective, inheritable, permitted); |
| 137 | } |
| 138 | |
| 139 | int security_capset_check(struct task_struct *target, |
| 140 | kernel_cap_t *effective, |
| 141 | kernel_cap_t *inheritable, |
| 142 | kernel_cap_t *permitted) |
| 143 | { |
| 144 | return security_ops->capset_check(target, effective, inheritable, permitted); |
| 145 | } |
| 146 | |
| 147 | void security_capset_set(struct task_struct *target, |
| 148 | kernel_cap_t *effective, |
| 149 | kernel_cap_t *inheritable, |
| 150 | kernel_cap_t *permitted) |
| 151 | { |
| 152 | security_ops->capset_set(target, effective, inheritable, permitted); |
| 153 | } |
| 154 | |
| 155 | int security_capable(struct task_struct *tsk, int cap) |
| 156 | { |
| 157 | return security_ops->capable(tsk, cap); |
| 158 | } |
| 159 | |
| 160 | int security_acct(struct file *file) |
| 161 | { |
| 162 | return security_ops->acct(file); |
| 163 | } |
| 164 | |
| 165 | int security_sysctl(struct ctl_table *table, int op) |
| 166 | { |
| 167 | return security_ops->sysctl(table, op); |
| 168 | } |
| 169 | |
| 170 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
| 171 | { |
| 172 | return security_ops->quotactl(cmds, type, id, sb); |
| 173 | } |
| 174 | |
| 175 | int security_quota_on(struct dentry *dentry) |
| 176 | { |
| 177 | return security_ops->quota_on(dentry); |
| 178 | } |
| 179 | |
| 180 | int security_syslog(int type) |
| 181 | { |
| 182 | return security_ops->syslog(type); |
| 183 | } |
| 184 | |
| 185 | int security_settime(struct timespec *ts, struct timezone *tz) |
| 186 | { |
| 187 | return security_ops->settime(ts, tz); |
| 188 | } |
| 189 | |
| 190 | int security_vm_enough_memory(long pages) |
| 191 | { |
| 192 | return security_ops->vm_enough_memory(current->mm, pages); |
| 193 | } |
| 194 | |
| 195 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
| 196 | { |
| 197 | return security_ops->vm_enough_memory(mm, pages); |
| 198 | } |
| 199 | |
| 200 | int security_bprm_alloc(struct linux_binprm *bprm) |
| 201 | { |
| 202 | return security_ops->bprm_alloc_security(bprm); |
| 203 | } |
| 204 | |
| 205 | void security_bprm_free(struct linux_binprm *bprm) |
| 206 | { |
| 207 | security_ops->bprm_free_security(bprm); |
| 208 | } |
| 209 | |
| 210 | void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe) |
| 211 | { |
| 212 | security_ops->bprm_apply_creds(bprm, unsafe); |
| 213 | } |
| 214 | |
| 215 | void security_bprm_post_apply_creds(struct linux_binprm *bprm) |
| 216 | { |
| 217 | security_ops->bprm_post_apply_creds(bprm); |
| 218 | } |
| 219 | |
| 220 | int security_bprm_set(struct linux_binprm *bprm) |
| 221 | { |
| 222 | return security_ops->bprm_set_security(bprm); |
| 223 | } |
| 224 | |
| 225 | int security_bprm_check(struct linux_binprm *bprm) |
| 226 | { |
| 227 | return security_ops->bprm_check_security(bprm); |
| 228 | } |
| 229 | |
| 230 | int security_bprm_secureexec(struct linux_binprm *bprm) |
| 231 | { |
| 232 | return security_ops->bprm_secureexec(bprm); |
| 233 | } |
| 234 | |
| 235 | int security_sb_alloc(struct super_block *sb) |
| 236 | { |
| 237 | return security_ops->sb_alloc_security(sb); |
| 238 | } |
| 239 | |
| 240 | void security_sb_free(struct super_block *sb) |
| 241 | { |
| 242 | security_ops->sb_free_security(sb); |
| 243 | } |
| 244 | |
| 245 | int security_sb_copy_data(struct file_system_type *type, void *orig, void *copy) |
| 246 | { |
| 247 | return security_ops->sb_copy_data(type, orig, copy); |
| 248 | } |
| 249 | |
| 250 | int security_sb_kern_mount(struct super_block *sb, void *data) |
| 251 | { |
| 252 | return security_ops->sb_kern_mount(sb, data); |
| 253 | } |
| 254 | |
| 255 | int security_sb_statfs(struct dentry *dentry) |
| 256 | { |
| 257 | return security_ops->sb_statfs(dentry); |
| 258 | } |
| 259 | |
| 260 | int security_sb_mount(char *dev_name, struct nameidata *nd, |
| 261 | char *type, unsigned long flags, void *data) |
| 262 | { |
| 263 | return security_ops->sb_mount(dev_name, nd, type, flags, data); |
| 264 | } |
| 265 | |
| 266 | int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd) |
| 267 | { |
| 268 | return security_ops->sb_check_sb(mnt, nd); |
| 269 | } |
| 270 | |
| 271 | int security_sb_umount(struct vfsmount *mnt, int flags) |
| 272 | { |
| 273 | return security_ops->sb_umount(mnt, flags); |
| 274 | } |
| 275 | |
| 276 | void security_sb_umount_close(struct vfsmount *mnt) |
| 277 | { |
| 278 | security_ops->sb_umount_close(mnt); |
| 279 | } |
| 280 | |
| 281 | void security_sb_umount_busy(struct vfsmount *mnt) |
| 282 | { |
| 283 | security_ops->sb_umount_busy(mnt); |
| 284 | } |
| 285 | |
| 286 | void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data) |
| 287 | { |
| 288 | security_ops->sb_post_remount(mnt, flags, data); |
| 289 | } |
| 290 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 291 | void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd) |
| 292 | { |
| 293 | security_ops->sb_post_addmount(mnt, mountpoint_nd); |
| 294 | } |
| 295 | |
| 296 | int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd) |
| 297 | { |
| 298 | return security_ops->sb_pivotroot(old_nd, new_nd); |
| 299 | } |
| 300 | |
| 301 | void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd) |
| 302 | { |
| 303 | security_ops->sb_post_pivotroot(old_nd, new_nd); |
| 304 | } |
| 305 | |
Eric Paris | c9180a5 | 2007-11-30 13:00:35 -0500 | [diff] [blame] | 306 | int security_sb_get_mnt_opts(const struct super_block *sb, |
| 307 | char ***mount_options, |
| 308 | int **flags, int *num_opts) |
| 309 | { |
| 310 | return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts); |
| 311 | } |
| 312 | |
| 313 | int security_sb_set_mnt_opts(struct super_block *sb, |
| 314 | char **mount_options, |
| 315 | int *flags, int num_opts) |
| 316 | { |
| 317 | return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts); |
| 318 | } |
| 319 | |
| 320 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, |
| 321 | struct super_block *newsb) |
| 322 | { |
| 323 | security_ops->sb_clone_mnt_opts(oldsb, newsb); |
| 324 | } |
| 325 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 326 | int security_inode_alloc(struct inode *inode) |
| 327 | { |
| 328 | inode->i_security = NULL; |
| 329 | return security_ops->inode_alloc_security(inode); |
| 330 | } |
| 331 | |
| 332 | void security_inode_free(struct inode *inode) |
| 333 | { |
| 334 | security_ops->inode_free_security(inode); |
| 335 | } |
| 336 | |
| 337 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
| 338 | char **name, void **value, size_t *len) |
| 339 | { |
| 340 | if (unlikely(IS_PRIVATE(inode))) |
| 341 | return -EOPNOTSUPP; |
| 342 | return security_ops->inode_init_security(inode, dir, name, value, len); |
| 343 | } |
| 344 | EXPORT_SYMBOL(security_inode_init_security); |
| 345 | |
| 346 | int security_inode_create(struct inode *dir, struct dentry *dentry, int mode) |
| 347 | { |
| 348 | if (unlikely(IS_PRIVATE(dir))) |
| 349 | return 0; |
| 350 | return security_ops->inode_create(dir, dentry, mode); |
| 351 | } |
| 352 | |
| 353 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, |
| 354 | struct dentry *new_dentry) |
| 355 | { |
| 356 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
| 357 | return 0; |
| 358 | return security_ops->inode_link(old_dentry, dir, new_dentry); |
| 359 | } |
| 360 | |
| 361 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) |
| 362 | { |
| 363 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 364 | return 0; |
| 365 | return security_ops->inode_unlink(dir, dentry); |
| 366 | } |
| 367 | |
| 368 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, |
| 369 | const char *old_name) |
| 370 | { |
| 371 | if (unlikely(IS_PRIVATE(dir))) |
| 372 | return 0; |
| 373 | return security_ops->inode_symlink(dir, dentry, old_name); |
| 374 | } |
| 375 | |
| 376 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode) |
| 377 | { |
| 378 | if (unlikely(IS_PRIVATE(dir))) |
| 379 | return 0; |
| 380 | return security_ops->inode_mkdir(dir, dentry, mode); |
| 381 | } |
| 382 | |
| 383 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) |
| 384 | { |
| 385 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 386 | return 0; |
| 387 | return security_ops->inode_rmdir(dir, dentry); |
| 388 | } |
| 389 | |
| 390 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) |
| 391 | { |
| 392 | if (unlikely(IS_PRIVATE(dir))) |
| 393 | return 0; |
| 394 | return security_ops->inode_mknod(dir, dentry, mode, dev); |
| 395 | } |
| 396 | |
| 397 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, |
| 398 | struct inode *new_dir, struct dentry *new_dentry) |
| 399 | { |
| 400 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
| 401 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
| 402 | return 0; |
| 403 | return security_ops->inode_rename(old_dir, old_dentry, |
| 404 | new_dir, new_dentry); |
| 405 | } |
| 406 | |
| 407 | int security_inode_readlink(struct dentry *dentry) |
| 408 | { |
| 409 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 410 | return 0; |
| 411 | return security_ops->inode_readlink(dentry); |
| 412 | } |
| 413 | |
| 414 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) |
| 415 | { |
| 416 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 417 | return 0; |
| 418 | return security_ops->inode_follow_link(dentry, nd); |
| 419 | } |
| 420 | |
| 421 | int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd) |
| 422 | { |
| 423 | if (unlikely(IS_PRIVATE(inode))) |
| 424 | return 0; |
| 425 | return security_ops->inode_permission(inode, mask, nd); |
| 426 | } |
| 427 | |
| 428 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) |
| 429 | { |
| 430 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 431 | return 0; |
| 432 | return security_ops->inode_setattr(dentry, attr); |
| 433 | } |
| 434 | |
| 435 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
| 436 | { |
| 437 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 438 | return 0; |
| 439 | return security_ops->inode_getattr(mnt, dentry); |
| 440 | } |
| 441 | |
| 442 | void security_inode_delete(struct inode *inode) |
| 443 | { |
| 444 | if (unlikely(IS_PRIVATE(inode))) |
| 445 | return; |
| 446 | security_ops->inode_delete(inode); |
| 447 | } |
| 448 | |
| 449 | int security_inode_setxattr(struct dentry *dentry, char *name, |
| 450 | void *value, size_t size, int flags) |
| 451 | { |
| 452 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 453 | return 0; |
| 454 | return security_ops->inode_setxattr(dentry, name, value, size, flags); |
| 455 | } |
| 456 | |
| 457 | void security_inode_post_setxattr(struct dentry *dentry, char *name, |
| 458 | void *value, size_t size, int flags) |
| 459 | { |
| 460 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 461 | return; |
| 462 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); |
| 463 | } |
| 464 | |
| 465 | int security_inode_getxattr(struct dentry *dentry, char *name) |
| 466 | { |
| 467 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 468 | return 0; |
| 469 | return security_ops->inode_getxattr(dentry, name); |
| 470 | } |
| 471 | |
| 472 | int security_inode_listxattr(struct dentry *dentry) |
| 473 | { |
| 474 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 475 | return 0; |
| 476 | return security_ops->inode_listxattr(dentry); |
| 477 | } |
| 478 | |
| 479 | int security_inode_removexattr(struct dentry *dentry, char *name) |
| 480 | { |
| 481 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
| 482 | return 0; |
| 483 | return security_ops->inode_removexattr(dentry, name); |
| 484 | } |
| 485 | |
Serge E. Hallyn | b537677 | 2007-10-16 23:31:36 -0700 | [diff] [blame] | 486 | int security_inode_need_killpriv(struct dentry *dentry) |
| 487 | { |
| 488 | return security_ops->inode_need_killpriv(dentry); |
| 489 | } |
| 490 | |
| 491 | int security_inode_killpriv(struct dentry *dentry) |
| 492 | { |
| 493 | return security_ops->inode_killpriv(dentry); |
| 494 | } |
| 495 | |
David P. Quigley | 4249259 | 2008-02-04 22:29:39 -0800 | [diff] [blame] | 496 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 497 | { |
| 498 | if (unlikely(IS_PRIVATE(inode))) |
| 499 | return 0; |
David P. Quigley | 4249259 | 2008-02-04 22:29:39 -0800 | [diff] [blame] | 500 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
| 504 | { |
| 505 | if (unlikely(IS_PRIVATE(inode))) |
| 506 | return 0; |
| 507 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
| 508 | } |
| 509 | |
| 510 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
| 511 | { |
| 512 | if (unlikely(IS_PRIVATE(inode))) |
| 513 | return 0; |
| 514 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); |
| 515 | } |
| 516 | |
| 517 | int security_file_permission(struct file *file, int mask) |
| 518 | { |
| 519 | return security_ops->file_permission(file, mask); |
| 520 | } |
| 521 | |
| 522 | int security_file_alloc(struct file *file) |
| 523 | { |
| 524 | return security_ops->file_alloc_security(file); |
| 525 | } |
| 526 | |
| 527 | void security_file_free(struct file *file) |
| 528 | { |
| 529 | security_ops->file_free_security(file); |
| 530 | } |
| 531 | |
| 532 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| 533 | { |
| 534 | return security_ops->file_ioctl(file, cmd, arg); |
| 535 | } |
| 536 | |
| 537 | int security_file_mmap(struct file *file, unsigned long reqprot, |
| 538 | unsigned long prot, unsigned long flags, |
| 539 | unsigned long addr, unsigned long addr_only) |
| 540 | { |
| 541 | return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only); |
| 542 | } |
| 543 | |
| 544 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
| 545 | unsigned long prot) |
| 546 | { |
| 547 | return security_ops->file_mprotect(vma, reqprot, prot); |
| 548 | } |
| 549 | |
| 550 | int security_file_lock(struct file *file, unsigned int cmd) |
| 551 | { |
| 552 | return security_ops->file_lock(file, cmd); |
| 553 | } |
| 554 | |
| 555 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) |
| 556 | { |
| 557 | return security_ops->file_fcntl(file, cmd, arg); |
| 558 | } |
| 559 | |
| 560 | int security_file_set_fowner(struct file *file) |
| 561 | { |
| 562 | return security_ops->file_set_fowner(file); |
| 563 | } |
| 564 | |
| 565 | int security_file_send_sigiotask(struct task_struct *tsk, |
| 566 | struct fown_struct *fown, int sig) |
| 567 | { |
| 568 | return security_ops->file_send_sigiotask(tsk, fown, sig); |
| 569 | } |
| 570 | |
| 571 | int security_file_receive(struct file *file) |
| 572 | { |
| 573 | return security_ops->file_receive(file); |
| 574 | } |
| 575 | |
| 576 | int security_dentry_open(struct file *file) |
| 577 | { |
| 578 | return security_ops->dentry_open(file); |
| 579 | } |
| 580 | |
| 581 | int security_task_create(unsigned long clone_flags) |
| 582 | { |
| 583 | return security_ops->task_create(clone_flags); |
| 584 | } |
| 585 | |
| 586 | int security_task_alloc(struct task_struct *p) |
| 587 | { |
| 588 | return security_ops->task_alloc_security(p); |
| 589 | } |
| 590 | |
| 591 | void security_task_free(struct task_struct *p) |
| 592 | { |
| 593 | security_ops->task_free_security(p); |
| 594 | } |
| 595 | |
| 596 | int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) |
| 597 | { |
| 598 | return security_ops->task_setuid(id0, id1, id2, flags); |
| 599 | } |
| 600 | |
| 601 | int security_task_post_setuid(uid_t old_ruid, uid_t old_euid, |
| 602 | uid_t old_suid, int flags) |
| 603 | { |
| 604 | return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags); |
| 605 | } |
| 606 | |
| 607 | int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) |
| 608 | { |
| 609 | return security_ops->task_setgid(id0, id1, id2, flags); |
| 610 | } |
| 611 | |
| 612 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
| 613 | { |
| 614 | return security_ops->task_setpgid(p, pgid); |
| 615 | } |
| 616 | |
| 617 | int security_task_getpgid(struct task_struct *p) |
| 618 | { |
| 619 | return security_ops->task_getpgid(p); |
| 620 | } |
| 621 | |
| 622 | int security_task_getsid(struct task_struct *p) |
| 623 | { |
| 624 | return security_ops->task_getsid(p); |
| 625 | } |
| 626 | |
| 627 | void security_task_getsecid(struct task_struct *p, u32 *secid) |
| 628 | { |
| 629 | security_ops->task_getsecid(p, secid); |
| 630 | } |
| 631 | EXPORT_SYMBOL(security_task_getsecid); |
| 632 | |
| 633 | int security_task_setgroups(struct group_info *group_info) |
| 634 | { |
| 635 | return security_ops->task_setgroups(group_info); |
| 636 | } |
| 637 | |
| 638 | int security_task_setnice(struct task_struct *p, int nice) |
| 639 | { |
| 640 | return security_ops->task_setnice(p, nice); |
| 641 | } |
| 642 | |
| 643 | int security_task_setioprio(struct task_struct *p, int ioprio) |
| 644 | { |
| 645 | return security_ops->task_setioprio(p, ioprio); |
| 646 | } |
| 647 | |
| 648 | int security_task_getioprio(struct task_struct *p) |
| 649 | { |
| 650 | return security_ops->task_getioprio(p); |
| 651 | } |
| 652 | |
| 653 | int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim) |
| 654 | { |
| 655 | return security_ops->task_setrlimit(resource, new_rlim); |
| 656 | } |
| 657 | |
| 658 | int security_task_setscheduler(struct task_struct *p, |
| 659 | int policy, struct sched_param *lp) |
| 660 | { |
| 661 | return security_ops->task_setscheduler(p, policy, lp); |
| 662 | } |
| 663 | |
| 664 | int security_task_getscheduler(struct task_struct *p) |
| 665 | { |
| 666 | return security_ops->task_getscheduler(p); |
| 667 | } |
| 668 | |
| 669 | int security_task_movememory(struct task_struct *p) |
| 670 | { |
| 671 | return security_ops->task_movememory(p); |
| 672 | } |
| 673 | |
| 674 | int security_task_kill(struct task_struct *p, struct siginfo *info, |
| 675 | int sig, u32 secid) |
| 676 | { |
| 677 | return security_ops->task_kill(p, info, sig, secid); |
| 678 | } |
| 679 | |
| 680 | int security_task_wait(struct task_struct *p) |
| 681 | { |
| 682 | return security_ops->task_wait(p); |
| 683 | } |
| 684 | |
| 685 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
| 686 | unsigned long arg4, unsigned long arg5) |
| 687 | { |
| 688 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
| 689 | } |
| 690 | |
| 691 | void security_task_reparent_to_init(struct task_struct *p) |
| 692 | { |
| 693 | security_ops->task_reparent_to_init(p); |
| 694 | } |
| 695 | |
| 696 | void security_task_to_inode(struct task_struct *p, struct inode *inode) |
| 697 | { |
| 698 | security_ops->task_to_inode(p, inode); |
| 699 | } |
| 700 | |
| 701 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
| 702 | { |
| 703 | return security_ops->ipc_permission(ipcp, flag); |
| 704 | } |
| 705 | |
| 706 | int security_msg_msg_alloc(struct msg_msg *msg) |
| 707 | { |
| 708 | return security_ops->msg_msg_alloc_security(msg); |
| 709 | } |
| 710 | |
| 711 | void security_msg_msg_free(struct msg_msg *msg) |
| 712 | { |
| 713 | security_ops->msg_msg_free_security(msg); |
| 714 | } |
| 715 | |
| 716 | int security_msg_queue_alloc(struct msg_queue *msq) |
| 717 | { |
| 718 | return security_ops->msg_queue_alloc_security(msq); |
| 719 | } |
| 720 | |
| 721 | void security_msg_queue_free(struct msg_queue *msq) |
| 722 | { |
| 723 | security_ops->msg_queue_free_security(msq); |
| 724 | } |
| 725 | |
| 726 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) |
| 727 | { |
| 728 | return security_ops->msg_queue_associate(msq, msqflg); |
| 729 | } |
| 730 | |
| 731 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
| 732 | { |
| 733 | return security_ops->msg_queue_msgctl(msq, cmd); |
| 734 | } |
| 735 | |
| 736 | int security_msg_queue_msgsnd(struct msg_queue *msq, |
| 737 | struct msg_msg *msg, int msqflg) |
| 738 | { |
| 739 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); |
| 740 | } |
| 741 | |
| 742 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
| 743 | struct task_struct *target, long type, int mode) |
| 744 | { |
| 745 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); |
| 746 | } |
| 747 | |
| 748 | int security_shm_alloc(struct shmid_kernel *shp) |
| 749 | { |
| 750 | return security_ops->shm_alloc_security(shp); |
| 751 | } |
| 752 | |
| 753 | void security_shm_free(struct shmid_kernel *shp) |
| 754 | { |
| 755 | security_ops->shm_free_security(shp); |
| 756 | } |
| 757 | |
| 758 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) |
| 759 | { |
| 760 | return security_ops->shm_associate(shp, shmflg); |
| 761 | } |
| 762 | |
| 763 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) |
| 764 | { |
| 765 | return security_ops->shm_shmctl(shp, cmd); |
| 766 | } |
| 767 | |
| 768 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) |
| 769 | { |
| 770 | return security_ops->shm_shmat(shp, shmaddr, shmflg); |
| 771 | } |
| 772 | |
| 773 | int security_sem_alloc(struct sem_array *sma) |
| 774 | { |
| 775 | return security_ops->sem_alloc_security(sma); |
| 776 | } |
| 777 | |
| 778 | void security_sem_free(struct sem_array *sma) |
| 779 | { |
| 780 | security_ops->sem_free_security(sma); |
| 781 | } |
| 782 | |
| 783 | int security_sem_associate(struct sem_array *sma, int semflg) |
| 784 | { |
| 785 | return security_ops->sem_associate(sma, semflg); |
| 786 | } |
| 787 | |
| 788 | int security_sem_semctl(struct sem_array *sma, int cmd) |
| 789 | { |
| 790 | return security_ops->sem_semctl(sma, cmd); |
| 791 | } |
| 792 | |
| 793 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, |
| 794 | unsigned nsops, int alter) |
| 795 | { |
| 796 | return security_ops->sem_semop(sma, sops, nsops, alter); |
| 797 | } |
| 798 | |
| 799 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) |
| 800 | { |
| 801 | if (unlikely(inode && IS_PRIVATE(inode))) |
| 802 | return; |
| 803 | security_ops->d_instantiate(dentry, inode); |
| 804 | } |
| 805 | EXPORT_SYMBOL(security_d_instantiate); |
| 806 | |
| 807 | int security_getprocattr(struct task_struct *p, char *name, char **value) |
| 808 | { |
| 809 | return security_ops->getprocattr(p, name, value); |
| 810 | } |
| 811 | |
| 812 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
| 813 | { |
| 814 | return security_ops->setprocattr(p, name, value, size); |
| 815 | } |
| 816 | |
| 817 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
| 818 | { |
| 819 | return security_ops->netlink_send(sk, skb); |
| 820 | } |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 821 | |
| 822 | int security_netlink_recv(struct sk_buff *skb, int cap) |
| 823 | { |
| 824 | return security_ops->netlink_recv(skb, cap); |
| 825 | } |
| 826 | EXPORT_SYMBOL(security_netlink_recv); |
| 827 | |
| 828 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
| 829 | { |
| 830 | return security_ops->secid_to_secctx(secid, secdata, seclen); |
| 831 | } |
| 832 | EXPORT_SYMBOL(security_secid_to_secctx); |
| 833 | |
David Howells | 63cb344 | 2008-01-15 23:47:35 +0000 | [diff] [blame] | 834 | int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid) |
| 835 | { |
| 836 | return security_ops->secctx_to_secid(secdata, seclen, secid); |
| 837 | } |
| 838 | EXPORT_SYMBOL(security_secctx_to_secid); |
| 839 | |
James Morris | 20510f2 | 2007-10-16 23:31:32 -0700 | [diff] [blame] | 840 | void security_release_secctx(char *secdata, u32 seclen) |
| 841 | { |
| 842 | return security_ops->release_secctx(secdata, seclen); |
| 843 | } |
| 844 | EXPORT_SYMBOL(security_release_secctx); |
| 845 | |
| 846 | #ifdef CONFIG_SECURITY_NETWORK |
| 847 | |
| 848 | int security_unix_stream_connect(struct socket *sock, struct socket *other, |
| 849 | struct sock *newsk) |
| 850 | { |
| 851 | return security_ops->unix_stream_connect(sock, other, newsk); |
| 852 | } |
| 853 | EXPORT_SYMBOL(security_unix_stream_connect); |
| 854 | |
| 855 | int security_unix_may_send(struct socket *sock, struct socket *other) |
| 856 | { |
| 857 | return security_ops->unix_may_send(sock, other); |
| 858 | } |
| 859 | EXPORT_SYMBOL(security_unix_may_send); |
| 860 | |
| 861 | int security_socket_create(int family, int type, int protocol, int kern) |
| 862 | { |
| 863 | return security_ops->socket_create(family, type, protocol, kern); |
| 864 | } |
| 865 | |
| 866 | int security_socket_post_create(struct socket *sock, int family, |
| 867 | int type, int protocol, int kern) |
| 868 | { |
| 869 | return security_ops->socket_post_create(sock, family, type, |
| 870 | protocol, kern); |
| 871 | } |
| 872 | |
| 873 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
| 874 | { |
| 875 | return security_ops->socket_bind(sock, address, addrlen); |
| 876 | } |
| 877 | |
| 878 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) |
| 879 | { |
| 880 | return security_ops->socket_connect(sock, address, addrlen); |
| 881 | } |
| 882 | |
| 883 | int security_socket_listen(struct socket *sock, int backlog) |
| 884 | { |
| 885 | return security_ops->socket_listen(sock, backlog); |
| 886 | } |
| 887 | |
| 888 | int security_socket_accept(struct socket *sock, struct socket *newsock) |
| 889 | { |
| 890 | return security_ops->socket_accept(sock, newsock); |
| 891 | } |
| 892 | |
| 893 | void security_socket_post_accept(struct socket *sock, struct socket *newsock) |
| 894 | { |
| 895 | security_ops->socket_post_accept(sock, newsock); |
| 896 | } |
| 897 | |
| 898 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
| 899 | { |
| 900 | return security_ops->socket_sendmsg(sock, msg, size); |
| 901 | } |
| 902 | |
| 903 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
| 904 | int size, int flags) |
| 905 | { |
| 906 | return security_ops->socket_recvmsg(sock, msg, size, flags); |
| 907 | } |
| 908 | |
| 909 | int security_socket_getsockname(struct socket *sock) |
| 910 | { |
| 911 | return security_ops->socket_getsockname(sock); |
| 912 | } |
| 913 | |
| 914 | int security_socket_getpeername(struct socket *sock) |
| 915 | { |
| 916 | return security_ops->socket_getpeername(sock); |
| 917 | } |
| 918 | |
| 919 | int security_socket_getsockopt(struct socket *sock, int level, int optname) |
| 920 | { |
| 921 | return security_ops->socket_getsockopt(sock, level, optname); |
| 922 | } |
| 923 | |
| 924 | int security_socket_setsockopt(struct socket *sock, int level, int optname) |
| 925 | { |
| 926 | return security_ops->socket_setsockopt(sock, level, optname); |
| 927 | } |
| 928 | |
| 929 | int security_socket_shutdown(struct socket *sock, int how) |
| 930 | { |
| 931 | return security_ops->socket_shutdown(sock, how); |
| 932 | } |
| 933 | |
| 934 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
| 935 | { |
| 936 | return security_ops->socket_sock_rcv_skb(sk, skb); |
| 937 | } |
| 938 | EXPORT_SYMBOL(security_sock_rcv_skb); |
| 939 | |
| 940 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
| 941 | int __user *optlen, unsigned len) |
| 942 | { |
| 943 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); |
| 944 | } |
| 945 | |
| 946 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
| 947 | { |
| 948 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); |
| 949 | } |
| 950 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); |
| 951 | |
| 952 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
| 953 | { |
| 954 | return security_ops->sk_alloc_security(sk, family, priority); |
| 955 | } |
| 956 | |
| 957 | void security_sk_free(struct sock *sk) |
| 958 | { |
| 959 | return security_ops->sk_free_security(sk); |
| 960 | } |
| 961 | |
| 962 | void security_sk_clone(const struct sock *sk, struct sock *newsk) |
| 963 | { |
| 964 | return security_ops->sk_clone_security(sk, newsk); |
| 965 | } |
| 966 | |
| 967 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
| 968 | { |
| 969 | security_ops->sk_getsecid(sk, &fl->secid); |
| 970 | } |
| 971 | EXPORT_SYMBOL(security_sk_classify_flow); |
| 972 | |
| 973 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) |
| 974 | { |
| 975 | security_ops->req_classify_flow(req, fl); |
| 976 | } |
| 977 | EXPORT_SYMBOL(security_req_classify_flow); |
| 978 | |
| 979 | void security_sock_graft(struct sock *sk, struct socket *parent) |
| 980 | { |
| 981 | security_ops->sock_graft(sk, parent); |
| 982 | } |
| 983 | EXPORT_SYMBOL(security_sock_graft); |
| 984 | |
| 985 | int security_inet_conn_request(struct sock *sk, |
| 986 | struct sk_buff *skb, struct request_sock *req) |
| 987 | { |
| 988 | return security_ops->inet_conn_request(sk, skb, req); |
| 989 | } |
| 990 | EXPORT_SYMBOL(security_inet_conn_request); |
| 991 | |
| 992 | void security_inet_csk_clone(struct sock *newsk, |
| 993 | const struct request_sock *req) |
| 994 | { |
| 995 | security_ops->inet_csk_clone(newsk, req); |
| 996 | } |
| 997 | |
| 998 | void security_inet_conn_established(struct sock *sk, |
| 999 | struct sk_buff *skb) |
| 1000 | { |
| 1001 | security_ops->inet_conn_established(sk, skb); |
| 1002 | } |
| 1003 | |
| 1004 | #endif /* CONFIG_SECURITY_NETWORK */ |
| 1005 | |
| 1006 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
| 1007 | |
| 1008 | int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx) |
| 1009 | { |
| 1010 | return security_ops->xfrm_policy_alloc_security(xp, sec_ctx); |
| 1011 | } |
| 1012 | EXPORT_SYMBOL(security_xfrm_policy_alloc); |
| 1013 | |
| 1014 | int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new) |
| 1015 | { |
| 1016 | return security_ops->xfrm_policy_clone_security(old, new); |
| 1017 | } |
| 1018 | |
| 1019 | void security_xfrm_policy_free(struct xfrm_policy *xp) |
| 1020 | { |
| 1021 | security_ops->xfrm_policy_free_security(xp); |
| 1022 | } |
| 1023 | EXPORT_SYMBOL(security_xfrm_policy_free); |
| 1024 | |
| 1025 | int security_xfrm_policy_delete(struct xfrm_policy *xp) |
| 1026 | { |
| 1027 | return security_ops->xfrm_policy_delete_security(xp); |
| 1028 | } |
| 1029 | |
| 1030 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) |
| 1031 | { |
| 1032 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); |
| 1033 | } |
| 1034 | EXPORT_SYMBOL(security_xfrm_state_alloc); |
| 1035 | |
| 1036 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
| 1037 | struct xfrm_sec_ctx *polsec, u32 secid) |
| 1038 | { |
| 1039 | if (!polsec) |
| 1040 | return 0; |
| 1041 | /* |
| 1042 | * We want the context to be taken from secid which is usually |
| 1043 | * from the sock. |
| 1044 | */ |
| 1045 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); |
| 1046 | } |
| 1047 | |
| 1048 | int security_xfrm_state_delete(struct xfrm_state *x) |
| 1049 | { |
| 1050 | return security_ops->xfrm_state_delete_security(x); |
| 1051 | } |
| 1052 | EXPORT_SYMBOL(security_xfrm_state_delete); |
| 1053 | |
| 1054 | void security_xfrm_state_free(struct xfrm_state *x) |
| 1055 | { |
| 1056 | security_ops->xfrm_state_free_security(x); |
| 1057 | } |
| 1058 | |
| 1059 | int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir) |
| 1060 | { |
| 1061 | return security_ops->xfrm_policy_lookup(xp, fl_secid, dir); |
| 1062 | } |
| 1063 | |
| 1064 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
| 1065 | struct xfrm_policy *xp, struct flowi *fl) |
| 1066 | { |
| 1067 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); |
| 1068 | } |
| 1069 | |
| 1070 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
| 1071 | { |
| 1072 | return security_ops->xfrm_decode_session(skb, secid, 1); |
| 1073 | } |
| 1074 | |
| 1075 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
| 1076 | { |
| 1077 | int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0); |
| 1078 | |
| 1079 | BUG_ON(rc); |
| 1080 | } |
| 1081 | EXPORT_SYMBOL(security_skb_classify_flow); |
| 1082 | |
| 1083 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
| 1084 | |
| 1085 | #ifdef CONFIG_KEYS |
| 1086 | |
| 1087 | int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags) |
| 1088 | { |
| 1089 | return security_ops->key_alloc(key, tsk, flags); |
| 1090 | } |
| 1091 | |
| 1092 | void security_key_free(struct key *key) |
| 1093 | { |
| 1094 | security_ops->key_free(key); |
| 1095 | } |
| 1096 | |
| 1097 | int security_key_permission(key_ref_t key_ref, |
| 1098 | struct task_struct *context, key_perm_t perm) |
| 1099 | { |
| 1100 | return security_ops->key_permission(key_ref, context, perm); |
| 1101 | } |
| 1102 | |
| 1103 | #endif /* CONFIG_KEYS */ |