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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/security.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 | /* Boot-time LSM user choice */ |
33 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
34 | CONFIG_DEFAULT_SECURITY; |
35 | |
36 | static struct security_operations *security_ops; |
37 | static struct security_operations default_security_ops = { |
38 | .name = "default", |
39 | }; |
40 | |
41 | static inline int __init verify(struct security_operations *ops) |
42 | { |
43 | /* verify the security_operations structure exists */ |
44 | if (!ops) |
45 | return -EINVAL; |
46 | security_fixup_ops(ops); |
47 | return 0; |
48 | } |
49 | |
50 | static void __init do_security_initcalls(void) |
51 | { |
52 | initcall_t *call; |
53 | call = __security_initcall_start; |
54 | while (call < __security_initcall_end) { |
55 | (*call) (); |
56 | call++; |
57 | } |
58 | } |
59 | |
60 | /** |
61 | * security_init - initializes the security framework |
62 | * |
63 | * This should be called early in the kernel initialization sequence. |
64 | */ |
65 | int __init security_init(void) |
66 | { |
67 | printk(KERN_INFO "Security Framework initialized\n"); |
68 | |
69 | security_fixup_ops(&default_security_ops); |
70 | security_ops = &default_security_ops; |
71 | do_security_initcalls(); |
72 | |
73 | return 0; |
74 | } |
75 | |
76 | void reset_security_ops(void) |
77 | { |
78 | security_ops = &default_security_ops; |
79 | } |
80 | |
81 | /* Save user chosen LSM */ |
82 | static int __init choose_lsm(char *str) |
83 | { |
84 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); |
85 | return 1; |
86 | } |
87 | __setup("security=", choose_lsm); |
88 | |
89 | /** |
90 | * security_module_enable - Load given security module on boot ? |
91 | * @ops: a pointer to the struct security_operations that is to be checked. |
92 | * |
93 | * Each LSM must pass this method before registering its own operations |
94 | * to avoid security registration races. This method may also be used |
95 | * to check if your LSM is currently loaded during kernel initialization. |
96 | * |
97 | * Return true if: |
98 | * -The passed LSM is the one chosen by user at boot time, |
99 | * -or the passed LSM is configured as the default and the user did not |
100 | * choose an alternate LSM at boot time. |
101 | * Otherwise, return false. |
102 | */ |
103 | int __init security_module_enable(struct security_operations *ops) |
104 | { |
105 | return !strcmp(ops->name, chosen_lsm); |
106 | } |
107 | |
108 | /** |
109 | * register_security - registers a security framework with the kernel |
110 | * @ops: a pointer to the struct security_options that is to be registered |
111 | * |
112 | * This function allows a security module to register itself with the |
113 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
114 | * value passed to this function. You'll need to check first if your LSM |
115 | * is allowed to register its @ops by calling security_module_enable(@ops). |
116 | * |
117 | * If there is already a security module registered with the kernel, |
118 | * an error will be returned. Otherwise %0 is returned on success. |
119 | */ |
120 | int __init register_security(struct security_operations *ops) |
121 | { |
122 | if (verify(ops)) { |
123 | printk(KERN_DEBUG "%s could not verify " |
124 | "security_operations structure.\n", __func__); |
125 | return -EINVAL; |
126 | } |
127 | |
128 | if (security_ops != &default_security_ops) |
129 | return -EAGAIN; |
130 | |
131 | security_ops = ops; |
132 | |
133 | return 0; |
134 | } |
135 | |
136 | /* Security operations */ |
137 | |
138 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
139 | { |
140 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
141 | int rc; |
142 | rc = yama_ptrace_access_check(child, mode); |
143 | if (rc) |
144 | return rc; |
145 | #endif |
146 | return security_ops->ptrace_access_check(child, mode); |
147 | } |
148 | |
149 | int security_ptrace_traceme(struct task_struct *parent) |
150 | { |
151 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
152 | int rc; |
153 | rc = yama_ptrace_traceme(parent); |
154 | if (rc) |
155 | return rc; |
156 | #endif |
157 | return security_ops->ptrace_traceme(parent); |
158 | } |
159 | |
160 | int security_capget(struct task_struct *target, |
161 | kernel_cap_t *effective, |
162 | kernel_cap_t *inheritable, |
163 | kernel_cap_t *permitted) |
164 | { |
165 | return security_ops->capget(target, effective, inheritable, permitted); |
166 | } |
167 | |
168 | int security_capset(struct cred *new, const struct cred *old, |
169 | const kernel_cap_t *effective, |
170 | const kernel_cap_t *inheritable, |
171 | const kernel_cap_t *permitted) |
172 | { |
173 | return security_ops->capset(new, old, |
174 | effective, inheritable, permitted); |
175 | } |
176 | |
177 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
178 | int cap) |
179 | { |
180 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
181 | } |
182 | |
183 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
184 | int cap) |
185 | { |
186 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
187 | } |
188 | |
189 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
190 | { |
191 | return security_ops->quotactl(cmds, type, id, sb); |
192 | } |
193 | |
194 | int security_quota_on(struct dentry *dentry) |
195 | { |
196 | return security_ops->quota_on(dentry); |
197 | } |
198 | |
199 | int security_syslog(int type) |
200 | { |
201 | return security_ops->syslog(type); |
202 | } |
203 | |
204 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
205 | { |
206 | return security_ops->settime(ts, tz); |
207 | } |
208 | |
209 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
210 | { |
211 | return security_ops->vm_enough_memory(mm, pages); |
212 | } |
213 | |
214 | int security_bprm_set_creds(struct linux_binprm *bprm) |
215 | { |
216 | return security_ops->bprm_set_creds(bprm); |
217 | } |
218 | |
219 | int security_bprm_check(struct linux_binprm *bprm) |
220 | { |
221 | int ret; |
222 | |
223 | ret = security_ops->bprm_check_security(bprm); |
224 | if (ret) |
225 | return ret; |
226 | return ima_bprm_check(bprm); |
227 | } |
228 | |
229 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
230 | { |
231 | security_ops->bprm_committing_creds(bprm); |
232 | } |
233 | |
234 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
235 | { |
236 | security_ops->bprm_committed_creds(bprm); |
237 | } |
238 | |
239 | int security_bprm_secureexec(struct linux_binprm *bprm) |
240 | { |
241 | return security_ops->bprm_secureexec(bprm); |
242 | } |
243 | |
244 | int security_sb_alloc(struct super_block *sb) |
245 | { |
246 | return security_ops->sb_alloc_security(sb); |
247 | } |
248 | |
249 | void security_sb_free(struct super_block *sb) |
250 | { |
251 | security_ops->sb_free_security(sb); |
252 | } |
253 | |
254 | int security_sb_copy_data(char *orig, char *copy) |
255 | { |
256 | return security_ops->sb_copy_data(orig, copy); |
257 | } |
258 | EXPORT_SYMBOL(security_sb_copy_data); |
259 | |
260 | int security_sb_remount(struct super_block *sb, void *data) |
261 | { |
262 | return security_ops->sb_remount(sb, data); |
263 | } |
264 | |
265 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
266 | { |
267 | return security_ops->sb_kern_mount(sb, flags, data); |
268 | } |
269 | |
270 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
271 | { |
272 | return security_ops->sb_show_options(m, sb); |
273 | } |
274 | |
275 | int security_sb_statfs(struct dentry *dentry) |
276 | { |
277 | return security_ops->sb_statfs(dentry); |
278 | } |
279 | |
280 | int security_sb_mount(const char *dev_name, struct path *path, |
281 | const char *type, unsigned long flags, void *data) |
282 | { |
283 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
284 | } |
285 | |
286 | int security_sb_umount(struct vfsmount *mnt, int flags) |
287 | { |
288 | return security_ops->sb_umount(mnt, flags); |
289 | } |
290 | |
291 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
292 | { |
293 | return security_ops->sb_pivotroot(old_path, new_path); |
294 | } |
295 | |
296 | int security_sb_set_mnt_opts(struct super_block *sb, |
297 | struct security_mnt_opts *opts, |
298 | unsigned long kern_flags, |
299 | unsigned long *set_kern_flags) |
300 | { |
301 | return security_ops->sb_set_mnt_opts(sb, opts, kern_flags, |
302 | set_kern_flags); |
303 | } |
304 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
305 | |
306 | int security_sb_clone_mnt_opts(const struct super_block *oldsb, |
307 | struct super_block *newsb) |
308 | { |
309 | return security_ops->sb_clone_mnt_opts(oldsb, newsb); |
310 | } |
311 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
312 | |
313 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) |
314 | { |
315 | return security_ops->sb_parse_opts_str(options, opts); |
316 | } |
317 | EXPORT_SYMBOL(security_sb_parse_opts_str); |
318 | |
319 | int security_inode_alloc(struct inode *inode) |
320 | { |
321 | inode->i_security = NULL; |
322 | return security_ops->inode_alloc_security(inode); |
323 | } |
324 | |
325 | void security_inode_free(struct inode *inode) |
326 | { |
327 | integrity_inode_free(inode); |
328 | security_ops->inode_free_security(inode); |
329 | } |
330 | |
331 | int security_dentry_init_security(struct dentry *dentry, int mode, |
332 | struct qstr *name, void **ctx, |
333 | u32 *ctxlen) |
334 | { |
335 | return security_ops->dentry_init_security(dentry, mode, name, |
336 | ctx, ctxlen); |
337 | } |
338 | EXPORT_SYMBOL(security_dentry_init_security); |
339 | |
340 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
341 | const struct qstr *qstr, |
342 | const initxattrs initxattrs, void *fs_data) |
343 | { |
344 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
345 | struct xattr *lsm_xattr, *evm_xattr, *xattr; |
346 | int ret; |
347 | |
348 | if (unlikely(IS_PRIVATE(inode))) |
349 | return 0; |
350 | |
351 | if (!initxattrs) |
352 | return security_ops->inode_init_security(inode, dir, qstr, |
353 | NULL, NULL, NULL); |
354 | memset(new_xattrs, 0, sizeof(new_xattrs)); |
355 | lsm_xattr = new_xattrs; |
356 | ret = security_ops->inode_init_security(inode, dir, qstr, |
357 | &lsm_xattr->name, |
358 | &lsm_xattr->value, |
359 | &lsm_xattr->value_len); |
360 | if (ret) |
361 | goto out; |
362 | |
363 | evm_xattr = lsm_xattr + 1; |
364 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); |
365 | if (ret) |
366 | goto out; |
367 | ret = initxattrs(inode, new_xattrs, fs_data); |
368 | out: |
369 | for (xattr = new_xattrs; xattr->value != NULL; xattr++) |
370 | kfree(xattr->value); |
371 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
372 | } |
373 | EXPORT_SYMBOL(security_inode_init_security); |
374 | |
375 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, |
376 | const struct qstr *qstr, const char **name, |
377 | void **value, size_t *len) |
378 | { |
379 | if (unlikely(IS_PRIVATE(inode))) |
380 | return -EOPNOTSUPP; |
381 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
382 | len); |
383 | } |
384 | EXPORT_SYMBOL(security_old_inode_init_security); |
385 | |
386 | #ifdef CONFIG_SECURITY_PATH |
387 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
388 | unsigned int dev) |
389 | { |
390 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
391 | return 0; |
392 | return security_ops->path_mknod(dir, dentry, mode, dev); |
393 | } |
394 | EXPORT_SYMBOL(security_path_mknod); |
395 | |
396 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
397 | { |
398 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
399 | return 0; |
400 | return security_ops->path_mkdir(dir, dentry, mode); |
401 | } |
402 | EXPORT_SYMBOL(security_path_mkdir); |
403 | |
404 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
405 | { |
406 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
407 | return 0; |
408 | return security_ops->path_rmdir(dir, dentry); |
409 | } |
410 | |
411 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
412 | { |
413 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
414 | return 0; |
415 | return security_ops->path_unlink(dir, dentry); |
416 | } |
417 | EXPORT_SYMBOL(security_path_unlink); |
418 | |
419 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
420 | const char *old_name) |
421 | { |
422 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
423 | return 0; |
424 | return security_ops->path_symlink(dir, dentry, old_name); |
425 | } |
426 | |
427 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, |
428 | struct dentry *new_dentry) |
429 | { |
430 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
431 | return 0; |
432 | return security_ops->path_link(old_dentry, new_dir, new_dentry); |
433 | } |
434 | |
435 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, |
436 | struct path *new_dir, struct dentry *new_dentry, |
437 | unsigned int flags) |
438 | { |
439 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
440 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
441 | return 0; |
442 | |
443 | if (flags & RENAME_EXCHANGE) { |
444 | int err = security_ops->path_rename(new_dir, new_dentry, |
445 | old_dir, old_dentry); |
446 | if (err) |
447 | return err; |
448 | } |
449 | |
450 | return security_ops->path_rename(old_dir, old_dentry, new_dir, |
451 | new_dentry); |
452 | } |
453 | EXPORT_SYMBOL(security_path_rename); |
454 | |
455 | int security_path_truncate(struct path *path) |
456 | { |
457 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
458 | return 0; |
459 | return security_ops->path_truncate(path); |
460 | } |
461 | |
462 | int security_path_chmod(struct path *path, umode_t mode) |
463 | { |
464 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
465 | return 0; |
466 | return security_ops->path_chmod(path, mode); |
467 | } |
468 | |
469 | int security_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
470 | { |
471 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
472 | return 0; |
473 | return security_ops->path_chown(path, uid, gid); |
474 | } |
475 | |
476 | int security_path_chroot(struct path *path) |
477 | { |
478 | return security_ops->path_chroot(path); |
479 | } |
480 | #endif |
481 | |
482 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
483 | { |
484 | if (unlikely(IS_PRIVATE(dir))) |
485 | return 0; |
486 | return security_ops->inode_create(dir, dentry, mode); |
487 | } |
488 | EXPORT_SYMBOL_GPL(security_inode_create); |
489 | |
490 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, |
491 | struct dentry *new_dentry) |
492 | { |
493 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
494 | return 0; |
495 | return security_ops->inode_link(old_dentry, dir, new_dentry); |
496 | } |
497 | |
498 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) |
499 | { |
500 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
501 | return 0; |
502 | return security_ops->inode_unlink(dir, dentry); |
503 | } |
504 | |
505 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, |
506 | const char *old_name) |
507 | { |
508 | if (unlikely(IS_PRIVATE(dir))) |
509 | return 0; |
510 | return security_ops->inode_symlink(dir, dentry, old_name); |
511 | } |
512 | |
513 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
514 | { |
515 | if (unlikely(IS_PRIVATE(dir))) |
516 | return 0; |
517 | return security_ops->inode_mkdir(dir, dentry, mode); |
518 | } |
519 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
520 | |
521 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) |
522 | { |
523 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
524 | return 0; |
525 | return security_ops->inode_rmdir(dir, dentry); |
526 | } |
527 | |
528 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
529 | { |
530 | if (unlikely(IS_PRIVATE(dir))) |
531 | return 0; |
532 | return security_ops->inode_mknod(dir, dentry, mode, dev); |
533 | } |
534 | |
535 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, |
536 | struct inode *new_dir, struct dentry *new_dentry, |
537 | unsigned int flags) |
538 | { |
539 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
540 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
541 | return 0; |
542 | |
543 | if (flags & RENAME_EXCHANGE) { |
544 | int err = security_ops->inode_rename(new_dir, new_dentry, |
545 | old_dir, old_dentry); |
546 | if (err) |
547 | return err; |
548 | } |
549 | |
550 | return security_ops->inode_rename(old_dir, old_dentry, |
551 | new_dir, new_dentry); |
552 | } |
553 | |
554 | int security_inode_readlink(struct dentry *dentry) |
555 | { |
556 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
557 | return 0; |
558 | return security_ops->inode_readlink(dentry); |
559 | } |
560 | |
561 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) |
562 | { |
563 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
564 | return 0; |
565 | return security_ops->inode_follow_link(dentry, nd); |
566 | } |
567 | |
568 | int security_inode_permission(struct inode *inode, int mask) |
569 | { |
570 | if (unlikely(IS_PRIVATE(inode))) |
571 | return 0; |
572 | return security_ops->inode_permission(inode, mask); |
573 | } |
574 | |
575 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) |
576 | { |
577 | int ret; |
578 | |
579 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
580 | return 0; |
581 | ret = security_ops->inode_setattr(dentry, attr); |
582 | if (ret) |
583 | return ret; |
584 | return evm_inode_setattr(dentry, attr); |
585 | } |
586 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
587 | |
588 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
589 | { |
590 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
591 | return 0; |
592 | return security_ops->inode_getattr(mnt, dentry); |
593 | } |
594 | |
595 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
596 | const void *value, size_t size, int flags) |
597 | { |
598 | int ret; |
599 | |
600 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
601 | return 0; |
602 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
603 | if (ret) |
604 | return ret; |
605 | ret = ima_inode_setxattr(dentry, name, value, size); |
606 | if (ret) |
607 | return ret; |
608 | return evm_inode_setxattr(dentry, name, value, size); |
609 | } |
610 | |
611 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
612 | const void *value, size_t size, int flags) |
613 | { |
614 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
615 | return; |
616 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); |
617 | evm_inode_post_setxattr(dentry, name, value, size); |
618 | } |
619 | |
620 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
621 | { |
622 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
623 | return 0; |
624 | return security_ops->inode_getxattr(dentry, name); |
625 | } |
626 | |
627 | int security_inode_listxattr(struct dentry *dentry) |
628 | { |
629 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
630 | return 0; |
631 | return security_ops->inode_listxattr(dentry); |
632 | } |
633 | |
634 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
635 | { |
636 | int ret; |
637 | |
638 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
639 | return 0; |
640 | ret = security_ops->inode_removexattr(dentry, name); |
641 | if (ret) |
642 | return ret; |
643 | ret = ima_inode_removexattr(dentry, name); |
644 | if (ret) |
645 | return ret; |
646 | return evm_inode_removexattr(dentry, name); |
647 | } |
648 | |
649 | int security_inode_need_killpriv(struct dentry *dentry) |
650 | { |
651 | return security_ops->inode_need_killpriv(dentry); |
652 | } |
653 | |
654 | int security_inode_killpriv(struct dentry *dentry) |
655 | { |
656 | return security_ops->inode_killpriv(dentry); |
657 | } |
658 | |
659 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
660 | { |
661 | if (unlikely(IS_PRIVATE(inode))) |
662 | return -EOPNOTSUPP; |
663 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
664 | } |
665 | |
666 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
667 | { |
668 | if (unlikely(IS_PRIVATE(inode))) |
669 | return -EOPNOTSUPP; |
670 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
671 | } |
672 | |
673 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
674 | { |
675 | if (unlikely(IS_PRIVATE(inode))) |
676 | return 0; |
677 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); |
678 | } |
679 | EXPORT_SYMBOL(security_inode_listsecurity); |
680 | |
681 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
682 | { |
683 | security_ops->inode_getsecid(inode, secid); |
684 | } |
685 | |
686 | int security_file_permission(struct file *file, int mask) |
687 | { |
688 | int ret; |
689 | |
690 | ret = security_ops->file_permission(file, mask); |
691 | if (ret) |
692 | return ret; |
693 | |
694 | return fsnotify_perm(file, mask); |
695 | } |
696 | |
697 | int security_file_alloc(struct file *file) |
698 | { |
699 | return security_ops->file_alloc_security(file); |
700 | } |
701 | |
702 | void security_file_free(struct file *file) |
703 | { |
704 | security_ops->file_free_security(file); |
705 | } |
706 | |
707 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
708 | { |
709 | return security_ops->file_ioctl(file, cmd, arg); |
710 | } |
711 | |
712 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
713 | { |
714 | /* |
715 | * Does we have PROT_READ and does the application expect |
716 | * it to imply PROT_EXEC? If not, nothing to talk about... |
717 | */ |
718 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
719 | return prot; |
720 | if (!(current->personality & READ_IMPLIES_EXEC)) |
721 | return prot; |
722 | /* |
723 | * if that's an anonymous mapping, let it. |
724 | */ |
725 | if (!file) |
726 | return prot | PROT_EXEC; |
727 | /* |
728 | * ditto if it's not on noexec mount, except that on !MMU we need |
729 | * BDI_CAP_EXEC_MMAP (== VM_MAYEXEC) in this case |
730 | */ |
731 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { |
732 | #ifndef CONFIG_MMU |
733 | unsigned long caps = 0; |
734 | struct address_space *mapping = file->f_mapping; |
735 | if (mapping && mapping->backing_dev_info) |
736 | caps = mapping->backing_dev_info->capabilities; |
737 | if (!(caps & BDI_CAP_EXEC_MAP)) |
738 | return prot; |
739 | #endif |
740 | return prot | PROT_EXEC; |
741 | } |
742 | /* anything on noexec mount won't get PROT_EXEC */ |
743 | return prot; |
744 | } |
745 | |
746 | int security_mmap_file(struct file *file, unsigned long prot, |
747 | unsigned long flags) |
748 | { |
749 | int ret; |
750 | ret = security_ops->mmap_file(file, prot, |
751 | mmap_prot(file, prot), flags); |
752 | if (ret) |
753 | return ret; |
754 | return ima_file_mmap(file, prot); |
755 | } |
756 | |
757 | int security_mmap_addr(unsigned long addr) |
758 | { |
759 | return security_ops->mmap_addr(addr); |
760 | } |
761 | |
762 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
763 | unsigned long prot) |
764 | { |
765 | return security_ops->file_mprotect(vma, reqprot, prot); |
766 | } |
767 | |
768 | int security_file_lock(struct file *file, unsigned int cmd) |
769 | { |
770 | return security_ops->file_lock(file, cmd); |
771 | } |
772 | |
773 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) |
774 | { |
775 | return security_ops->file_fcntl(file, cmd, arg); |
776 | } |
777 | |
778 | void security_file_set_fowner(struct file *file) |
779 | { |
780 | security_ops->file_set_fowner(file); |
781 | } |
782 | |
783 | int security_file_send_sigiotask(struct task_struct *tsk, |
784 | struct fown_struct *fown, int sig) |
785 | { |
786 | return security_ops->file_send_sigiotask(tsk, fown, sig); |
787 | } |
788 | |
789 | int security_file_receive(struct file *file) |
790 | { |
791 | return security_ops->file_receive(file); |
792 | } |
793 | |
794 | int security_file_open(struct file *file, const struct cred *cred) |
795 | { |
796 | int ret; |
797 | |
798 | ret = security_ops->file_open(file, cred); |
799 | if (ret) |
800 | return ret; |
801 | |
802 | return fsnotify_perm(file, MAY_OPEN); |
803 | } |
804 | |
805 | int security_task_create(unsigned long clone_flags) |
806 | { |
807 | return security_ops->task_create(clone_flags); |
808 | } |
809 | |
810 | void security_task_free(struct task_struct *task) |
811 | { |
812 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
813 | yama_task_free(task); |
814 | #endif |
815 | security_ops->task_free(task); |
816 | } |
817 | |
818 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
819 | { |
820 | return security_ops->cred_alloc_blank(cred, gfp); |
821 | } |
822 | |
823 | void security_cred_free(struct cred *cred) |
824 | { |
825 | security_ops->cred_free(cred); |
826 | } |
827 | |
828 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
829 | { |
830 | return security_ops->cred_prepare(new, old, gfp); |
831 | } |
832 | |
833 | void security_transfer_creds(struct cred *new, const struct cred *old) |
834 | { |
835 | security_ops->cred_transfer(new, old); |
836 | } |
837 | |
838 | int security_kernel_act_as(struct cred *new, u32 secid) |
839 | { |
840 | return security_ops->kernel_act_as(new, secid); |
841 | } |
842 | |
843 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) |
844 | { |
845 | return security_ops->kernel_create_files_as(new, inode); |
846 | } |
847 | |
848 | int security_kernel_fw_from_file(struct file *file, char *buf, size_t size) |
849 | { |
850 | int ret; |
851 | |
852 | ret = security_ops->kernel_fw_from_file(file, buf, size); |
853 | if (ret) |
854 | return ret; |
855 | return ima_fw_from_file(file, buf, size); |
856 | } |
857 | EXPORT_SYMBOL_GPL(security_kernel_fw_from_file); |
858 | |
859 | int security_kernel_module_request(char *kmod_name) |
860 | { |
861 | return security_ops->kernel_module_request(kmod_name); |
862 | } |
863 | |
864 | int security_kernel_module_from_file(struct file *file) |
865 | { |
866 | int ret; |
867 | |
868 | ret = security_ops->kernel_module_from_file(file); |
869 | if (ret) |
870 | return ret; |
871 | return ima_module_check(file); |
872 | } |
873 | |
874 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
875 | int flags) |
876 | { |
877 | return security_ops->task_fix_setuid(new, old, flags); |
878 | } |
879 | |
880 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
881 | { |
882 | return security_ops->task_setpgid(p, pgid); |
883 | } |
884 | |
885 | int security_task_getpgid(struct task_struct *p) |
886 | { |
887 | return security_ops->task_getpgid(p); |
888 | } |
889 | |
890 | int security_task_getsid(struct task_struct *p) |
891 | { |
892 | return security_ops->task_getsid(p); |
893 | } |
894 | |
895 | void security_task_getsecid(struct task_struct *p, u32 *secid) |
896 | { |
897 | security_ops->task_getsecid(p, secid); |
898 | } |
899 | EXPORT_SYMBOL(security_task_getsecid); |
900 | |
901 | int security_task_setnice(struct task_struct *p, int nice) |
902 | { |
903 | return security_ops->task_setnice(p, nice); |
904 | } |
905 | |
906 | int security_task_setioprio(struct task_struct *p, int ioprio) |
907 | { |
908 | return security_ops->task_setioprio(p, ioprio); |
909 | } |
910 | |
911 | int security_task_getioprio(struct task_struct *p) |
912 | { |
913 | return security_ops->task_getioprio(p); |
914 | } |
915 | |
916 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
917 | struct rlimit *new_rlim) |
918 | { |
919 | return security_ops->task_setrlimit(p, resource, new_rlim); |
920 | } |
921 | |
922 | int security_task_setscheduler(struct task_struct *p) |
923 | { |
924 | return security_ops->task_setscheduler(p); |
925 | } |
926 | |
927 | int security_task_getscheduler(struct task_struct *p) |
928 | { |
929 | return security_ops->task_getscheduler(p); |
930 | } |
931 | |
932 | int security_task_movememory(struct task_struct *p) |
933 | { |
934 | return security_ops->task_movememory(p); |
935 | } |
936 | |
937 | int security_task_kill(struct task_struct *p, struct siginfo *info, |
938 | int sig, u32 secid) |
939 | { |
940 | return security_ops->task_kill(p, info, sig, secid); |
941 | } |
942 | |
943 | int security_task_wait(struct task_struct *p) |
944 | { |
945 | return security_ops->task_wait(p); |
946 | } |
947 | |
948 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
949 | unsigned long arg4, unsigned long arg5) |
950 | { |
951 | #ifdef CONFIG_SECURITY_YAMA_STACKED |
952 | int rc; |
953 | rc = yama_task_prctl(option, arg2, arg3, arg4, arg5); |
954 | if (rc != -ENOSYS) |
955 | return rc; |
956 | #endif |
957 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
958 | } |
959 | |
960 | void security_task_to_inode(struct task_struct *p, struct inode *inode) |
961 | { |
962 | security_ops->task_to_inode(p, inode); |
963 | } |
964 | |
965 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
966 | { |
967 | return security_ops->ipc_permission(ipcp, flag); |
968 | } |
969 | |
970 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
971 | { |
972 | security_ops->ipc_getsecid(ipcp, secid); |
973 | } |
974 | |
975 | int security_msg_msg_alloc(struct msg_msg *msg) |
976 | { |
977 | return security_ops->msg_msg_alloc_security(msg); |
978 | } |
979 | |
980 | void security_msg_msg_free(struct msg_msg *msg) |
981 | { |
982 | security_ops->msg_msg_free_security(msg); |
983 | } |
984 | |
985 | int security_msg_queue_alloc(struct msg_queue *msq) |
986 | { |
987 | return security_ops->msg_queue_alloc_security(msq); |
988 | } |
989 | |
990 | void security_msg_queue_free(struct msg_queue *msq) |
991 | { |
992 | security_ops->msg_queue_free_security(msq); |
993 | } |
994 | |
995 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) |
996 | { |
997 | return security_ops->msg_queue_associate(msq, msqflg); |
998 | } |
999 | |
1000 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
1001 | { |
1002 | return security_ops->msg_queue_msgctl(msq, cmd); |
1003 | } |
1004 | |
1005 | int security_msg_queue_msgsnd(struct msg_queue *msq, |
1006 | struct msg_msg *msg, int msqflg) |
1007 | { |
1008 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); |
1009 | } |
1010 | |
1011 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
1012 | struct task_struct *target, long type, int mode) |
1013 | { |
1014 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); |
1015 | } |
1016 | |
1017 | int security_shm_alloc(struct shmid_kernel *shp) |
1018 | { |
1019 | return security_ops->shm_alloc_security(shp); |
1020 | } |
1021 | |
1022 | void security_shm_free(struct shmid_kernel *shp) |
1023 | { |
1024 | security_ops->shm_free_security(shp); |
1025 | } |
1026 | |
1027 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) |
1028 | { |
1029 | return security_ops->shm_associate(shp, shmflg); |
1030 | } |
1031 | |
1032 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) |
1033 | { |
1034 | return security_ops->shm_shmctl(shp, cmd); |
1035 | } |
1036 | |
1037 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) |
1038 | { |
1039 | return security_ops->shm_shmat(shp, shmaddr, shmflg); |
1040 | } |
1041 | |
1042 | int security_sem_alloc(struct sem_array *sma) |
1043 | { |
1044 | return security_ops->sem_alloc_security(sma); |
1045 | } |
1046 | |
1047 | void security_sem_free(struct sem_array *sma) |
1048 | { |
1049 | security_ops->sem_free_security(sma); |
1050 | } |
1051 | |
1052 | int security_sem_associate(struct sem_array *sma, int semflg) |
1053 | { |
1054 | return security_ops->sem_associate(sma, semflg); |
1055 | } |
1056 | |
1057 | int security_sem_semctl(struct sem_array *sma, int cmd) |
1058 | { |
1059 | return security_ops->sem_semctl(sma, cmd); |
1060 | } |
1061 | |
1062 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, |
1063 | unsigned nsops, int alter) |
1064 | { |
1065 | return security_ops->sem_semop(sma, sops, nsops, alter); |
1066 | } |
1067 | |
1068 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) |
1069 | { |
1070 | if (unlikely(inode && IS_PRIVATE(inode))) |
1071 | return; |
1072 | security_ops->d_instantiate(dentry, inode); |
1073 | } |
1074 | EXPORT_SYMBOL(security_d_instantiate); |
1075 | |
1076 | int security_getprocattr(struct task_struct *p, char *name, char **value) |
1077 | { |
1078 | return security_ops->getprocattr(p, name, value); |
1079 | } |
1080 | |
1081 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
1082 | { |
1083 | return security_ops->setprocattr(p, name, value, size); |
1084 | } |
1085 | |
1086 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
1087 | { |
1088 | return security_ops->netlink_send(sk, skb); |
1089 | } |
1090 | |
1091 | int security_ismaclabel(const char *name) |
1092 | { |
1093 | return security_ops->ismaclabel(name); |
1094 | } |
1095 | EXPORT_SYMBOL(security_ismaclabel); |
1096 | |
1097 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1098 | { |
1099 | return security_ops->secid_to_secctx(secid, secdata, seclen); |
1100 | } |
1101 | EXPORT_SYMBOL(security_secid_to_secctx); |
1102 | |
1103 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
1104 | { |
1105 | return security_ops->secctx_to_secid(secdata, seclen, secid); |
1106 | } |
1107 | EXPORT_SYMBOL(security_secctx_to_secid); |
1108 | |
1109 | void security_release_secctx(char *secdata, u32 seclen) |
1110 | { |
1111 | security_ops->release_secctx(secdata, seclen); |
1112 | } |
1113 | EXPORT_SYMBOL(security_release_secctx); |
1114 | |
1115 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1116 | { |
1117 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); |
1118 | } |
1119 | EXPORT_SYMBOL(security_inode_notifysecctx); |
1120 | |
1121 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
1122 | { |
1123 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); |
1124 | } |
1125 | EXPORT_SYMBOL(security_inode_setsecctx); |
1126 | |
1127 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
1128 | { |
1129 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); |
1130 | } |
1131 | EXPORT_SYMBOL(security_inode_getsecctx); |
1132 | |
1133 | #ifdef CONFIG_SECURITY_NETWORK |
1134 | |
1135 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
1136 | { |
1137 | return security_ops->unix_stream_connect(sock, other, newsk); |
1138 | } |
1139 | EXPORT_SYMBOL(security_unix_stream_connect); |
1140 | |
1141 | int security_unix_may_send(struct socket *sock, struct socket *other) |
1142 | { |
1143 | return security_ops->unix_may_send(sock, other); |
1144 | } |
1145 | EXPORT_SYMBOL(security_unix_may_send); |
1146 | |
1147 | int security_socket_create(int family, int type, int protocol, int kern) |
1148 | { |
1149 | return security_ops->socket_create(family, type, protocol, kern); |
1150 | } |
1151 | |
1152 | int security_socket_post_create(struct socket *sock, int family, |
1153 | int type, int protocol, int kern) |
1154 | { |
1155 | return security_ops->socket_post_create(sock, family, type, |
1156 | protocol, kern); |
1157 | } |
1158 | |
1159 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1160 | { |
1161 | return security_ops->socket_bind(sock, address, addrlen); |
1162 | } |
1163 | |
1164 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) |
1165 | { |
1166 | return security_ops->socket_connect(sock, address, addrlen); |
1167 | } |
1168 | |
1169 | int security_socket_listen(struct socket *sock, int backlog) |
1170 | { |
1171 | return security_ops->socket_listen(sock, backlog); |
1172 | } |
1173 | |
1174 | int security_socket_accept(struct socket *sock, struct socket *newsock) |
1175 | { |
1176 | return security_ops->socket_accept(sock, newsock); |
1177 | } |
1178 | |
1179 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1180 | { |
1181 | return security_ops->socket_sendmsg(sock, msg, size); |
1182 | } |
1183 | |
1184 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
1185 | int size, int flags) |
1186 | { |
1187 | return security_ops->socket_recvmsg(sock, msg, size, flags); |
1188 | } |
1189 | |
1190 | int security_socket_getsockname(struct socket *sock) |
1191 | { |
1192 | return security_ops->socket_getsockname(sock); |
1193 | } |
1194 | |
1195 | int security_socket_getpeername(struct socket *sock) |
1196 | { |
1197 | return security_ops->socket_getpeername(sock); |
1198 | } |
1199 | |
1200 | int security_socket_getsockopt(struct socket *sock, int level, int optname) |
1201 | { |
1202 | return security_ops->socket_getsockopt(sock, level, optname); |
1203 | } |
1204 | |
1205 | int security_socket_setsockopt(struct socket *sock, int level, int optname) |
1206 | { |
1207 | return security_ops->socket_setsockopt(sock, level, optname); |
1208 | } |
1209 | |
1210 | int security_socket_shutdown(struct socket *sock, int how) |
1211 | { |
1212 | return security_ops->socket_shutdown(sock, how); |
1213 | } |
1214 | |
1215 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
1216 | { |
1217 | return security_ops->socket_sock_rcv_skb(sk, skb); |
1218 | } |
1219 | EXPORT_SYMBOL(security_sock_rcv_skb); |
1220 | |
1221 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
1222 | int __user *optlen, unsigned len) |
1223 | { |
1224 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); |
1225 | } |
1226 | |
1227 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
1228 | { |
1229 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); |
1230 | } |
1231 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); |
1232 | |
1233 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
1234 | { |
1235 | return security_ops->sk_alloc_security(sk, family, priority); |
1236 | } |
1237 | |
1238 | void security_sk_free(struct sock *sk) |
1239 | { |
1240 | security_ops->sk_free_security(sk); |
1241 | } |
1242 | |
1243 | void security_sk_clone(const struct sock *sk, struct sock *newsk) |
1244 | { |
1245 | security_ops->sk_clone_security(sk, newsk); |
1246 | } |
1247 | EXPORT_SYMBOL(security_sk_clone); |
1248 | |
1249 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
1250 | { |
1251 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
1252 | } |
1253 | EXPORT_SYMBOL(security_sk_classify_flow); |
1254 | |
1255 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) |
1256 | { |
1257 | security_ops->req_classify_flow(req, fl); |
1258 | } |
1259 | EXPORT_SYMBOL(security_req_classify_flow); |
1260 | |
1261 | void security_sock_graft(struct sock *sk, struct socket *parent) |
1262 | { |
1263 | security_ops->sock_graft(sk, parent); |
1264 | } |
1265 | EXPORT_SYMBOL(security_sock_graft); |
1266 | |
1267 | int security_inet_conn_request(struct sock *sk, |
1268 | struct sk_buff *skb, struct request_sock *req) |
1269 | { |
1270 | return security_ops->inet_conn_request(sk, skb, req); |
1271 | } |
1272 | EXPORT_SYMBOL(security_inet_conn_request); |
1273 | |
1274 | void security_inet_csk_clone(struct sock *newsk, |
1275 | const struct request_sock *req) |
1276 | { |
1277 | security_ops->inet_csk_clone(newsk, req); |
1278 | } |
1279 | |
1280 | void security_inet_conn_established(struct sock *sk, |
1281 | struct sk_buff *skb) |
1282 | { |
1283 | security_ops->inet_conn_established(sk, skb); |
1284 | } |
1285 | |
1286 | int security_secmark_relabel_packet(u32 secid) |
1287 | { |
1288 | return security_ops->secmark_relabel_packet(secid); |
1289 | } |
1290 | EXPORT_SYMBOL(security_secmark_relabel_packet); |
1291 | |
1292 | void security_secmark_refcount_inc(void) |
1293 | { |
1294 | security_ops->secmark_refcount_inc(); |
1295 | } |
1296 | EXPORT_SYMBOL(security_secmark_refcount_inc); |
1297 | |
1298 | void security_secmark_refcount_dec(void) |
1299 | { |
1300 | security_ops->secmark_refcount_dec(); |
1301 | } |
1302 | EXPORT_SYMBOL(security_secmark_refcount_dec); |
1303 | |
1304 | int security_tun_dev_alloc_security(void **security) |
1305 | { |
1306 | return security_ops->tun_dev_alloc_security(security); |
1307 | } |
1308 | EXPORT_SYMBOL(security_tun_dev_alloc_security); |
1309 | |
1310 | void security_tun_dev_free_security(void *security) |
1311 | { |
1312 | security_ops->tun_dev_free_security(security); |
1313 | } |
1314 | EXPORT_SYMBOL(security_tun_dev_free_security); |
1315 | |
1316 | int security_tun_dev_create(void) |
1317 | { |
1318 | return security_ops->tun_dev_create(); |
1319 | } |
1320 | EXPORT_SYMBOL(security_tun_dev_create); |
1321 | |
1322 | int security_tun_dev_attach_queue(void *security) |
1323 | { |
1324 | return security_ops->tun_dev_attach_queue(security); |
1325 | } |
1326 | EXPORT_SYMBOL(security_tun_dev_attach_queue); |
1327 | |
1328 | int security_tun_dev_attach(struct sock *sk, void *security) |
1329 | { |
1330 | return security_ops->tun_dev_attach(sk, security); |
1331 | } |
1332 | EXPORT_SYMBOL(security_tun_dev_attach); |
1333 | |
1334 | int security_tun_dev_open(void *security) |
1335 | { |
1336 | return security_ops->tun_dev_open(security); |
1337 | } |
1338 | EXPORT_SYMBOL(security_tun_dev_open); |
1339 | |
1340 | void security_skb_owned_by(struct sk_buff *skb, struct sock *sk) |
1341 | { |
1342 | security_ops->skb_owned_by(skb, sk); |
1343 | } |
1344 | |
1345 | #endif /* CONFIG_SECURITY_NETWORK */ |
1346 | |
1347 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1348 | |
1349 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, |
1350 | struct xfrm_user_sec_ctx *sec_ctx, |
1351 | gfp_t gfp) |
1352 | { |
1353 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp); |
1354 | } |
1355 | EXPORT_SYMBOL(security_xfrm_policy_alloc); |
1356 | |
1357 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1358 | struct xfrm_sec_ctx **new_ctxp) |
1359 | { |
1360 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
1361 | } |
1362 | |
1363 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
1364 | { |
1365 | security_ops->xfrm_policy_free_security(ctx); |
1366 | } |
1367 | EXPORT_SYMBOL(security_xfrm_policy_free); |
1368 | |
1369 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
1370 | { |
1371 | return security_ops->xfrm_policy_delete_security(ctx); |
1372 | } |
1373 | |
1374 | int security_xfrm_state_alloc(struct xfrm_state *x, |
1375 | struct xfrm_user_sec_ctx *sec_ctx) |
1376 | { |
1377 | return security_ops->xfrm_state_alloc(x, sec_ctx); |
1378 | } |
1379 | EXPORT_SYMBOL(security_xfrm_state_alloc); |
1380 | |
1381 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
1382 | struct xfrm_sec_ctx *polsec, u32 secid) |
1383 | { |
1384 | return security_ops->xfrm_state_alloc_acquire(x, polsec, secid); |
1385 | } |
1386 | |
1387 | int security_xfrm_state_delete(struct xfrm_state *x) |
1388 | { |
1389 | return security_ops->xfrm_state_delete_security(x); |
1390 | } |
1391 | EXPORT_SYMBOL(security_xfrm_state_delete); |
1392 | |
1393 | void security_xfrm_state_free(struct xfrm_state *x) |
1394 | { |
1395 | security_ops->xfrm_state_free_security(x); |
1396 | } |
1397 | |
1398 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
1399 | { |
1400 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
1401 | } |
1402 | |
1403 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
1404 | struct xfrm_policy *xp, |
1405 | const struct flowi *fl) |
1406 | { |
1407 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); |
1408 | } |
1409 | |
1410 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
1411 | { |
1412 | return security_ops->xfrm_decode_session(skb, secid, 1); |
1413 | } |
1414 | |
1415 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
1416 | { |
1417 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
1418 | |
1419 | BUG_ON(rc); |
1420 | } |
1421 | EXPORT_SYMBOL(security_skb_classify_flow); |
1422 | |
1423 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
1424 | |
1425 | #ifdef CONFIG_KEYS |
1426 | |
1427 | int security_key_alloc(struct key *key, const struct cred *cred, |
1428 | unsigned long flags) |
1429 | { |
1430 | return security_ops->key_alloc(key, cred, flags); |
1431 | } |
1432 | |
1433 | void security_key_free(struct key *key) |
1434 | { |
1435 | security_ops->key_free(key); |
1436 | } |
1437 | |
1438 | int security_key_permission(key_ref_t key_ref, |
1439 | const struct cred *cred, unsigned perm) |
1440 | { |
1441 | return security_ops->key_permission(key_ref, cred, perm); |
1442 | } |
1443 | |
1444 | int security_key_getsecurity(struct key *key, char **_buffer) |
1445 | { |
1446 | return security_ops->key_getsecurity(key, _buffer); |
1447 | } |
1448 | |
1449 | #endif /* CONFIG_KEYS */ |
1450 | |
1451 | #ifdef CONFIG_AUDIT |
1452 | |
1453 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
1454 | { |
1455 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); |
1456 | } |
1457 | |
1458 | int security_audit_rule_known(struct audit_krule *krule) |
1459 | { |
1460 | return security_ops->audit_rule_known(krule); |
1461 | } |
1462 | |
1463 | void security_audit_rule_free(void *lsmrule) |
1464 | { |
1465 | security_ops->audit_rule_free(lsmrule); |
1466 | } |
1467 | |
1468 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
1469 | struct audit_context *actx) |
1470 | { |
1471 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); |
1472 | } |
1473 | |
1474 | #endif /* CONFIG_AUDIT */ |
1475 |
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