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Source at commit cdde9cf73945d547acd3e96f9508c79e84ad0bf1 created 12 years 9 months ago. By Maarten ter Huurne, MMC: JZ4740: Added support for CPU frequency changing | |
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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/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 <linux/mman.h> |
24 | #include <linux/mount.h> |
25 | #include <linux/personality.h> |
26 | #include <linux/backing-dev.h> |
27 | #include <net/flow.h> |
28 | |
29 | #define MAX_LSM_EVM_XATTR 2 |
30 | |
31 | /* Boot-time LSM user choice */ |
32 | static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = |
33 | CONFIG_DEFAULT_SECURITY; |
34 | |
35 | static struct security_operations *security_ops; |
36 | static struct security_operations default_security_ops = { |
37 | .name = "default", |
38 | }; |
39 | |
40 | static inline int __init verify(struct security_operations *ops) |
41 | { |
42 | /* verify the security_operations structure exists */ |
43 | if (!ops) |
44 | return -EINVAL; |
45 | security_fixup_ops(ops); |
46 | return 0; |
47 | } |
48 | |
49 | static void __init do_security_initcalls(void) |
50 | { |
51 | initcall_t *call; |
52 | call = __security_initcall_start; |
53 | while (call < __security_initcall_end) { |
54 | (*call) (); |
55 | call++; |
56 | } |
57 | } |
58 | |
59 | /** |
60 | * security_init - initializes the security framework |
61 | * |
62 | * This should be called early in the kernel initialization sequence. |
63 | */ |
64 | int __init security_init(void) |
65 | { |
66 | printk(KERN_INFO "Security Framework initialized\n"); |
67 | |
68 | security_fixup_ops(&default_security_ops); |
69 | security_ops = &default_security_ops; |
70 | do_security_initcalls(); |
71 | |
72 | return 0; |
73 | } |
74 | |
75 | void reset_security_ops(void) |
76 | { |
77 | security_ops = &default_security_ops; |
78 | } |
79 | |
80 | /* Save user chosen LSM */ |
81 | static int __init choose_lsm(char *str) |
82 | { |
83 | strncpy(chosen_lsm, str, SECURITY_NAME_MAX); |
84 | return 1; |
85 | } |
86 | __setup("security=", choose_lsm); |
87 | |
88 | /** |
89 | * security_module_enable - Load given security module on boot ? |
90 | * @ops: a pointer to the struct security_operations that is to be checked. |
91 | * |
92 | * Each LSM must pass this method before registering its own operations |
93 | * to avoid security registration races. This method may also be used |
94 | * to check if your LSM is currently loaded during kernel initialization. |
95 | * |
96 | * Return true if: |
97 | * -The passed LSM is the one chosen by user at boot time, |
98 | * -or the passed LSM is configured as the default and the user did not |
99 | * choose an alternate LSM at boot time. |
100 | * Otherwise, return false. |
101 | */ |
102 | int __init security_module_enable(struct security_operations *ops) |
103 | { |
104 | return !strcmp(ops->name, chosen_lsm); |
105 | } |
106 | |
107 | /** |
108 | * register_security - registers a security framework with the kernel |
109 | * @ops: a pointer to the struct security_options that is to be registered |
110 | * |
111 | * This function allows a security module to register itself with the |
112 | * kernel security subsystem. Some rudimentary checking is done on the @ops |
113 | * value passed to this function. You'll need to check first if your LSM |
114 | * is allowed to register its @ops by calling security_module_enable(@ops). |
115 | * |
116 | * If there is already a security module registered with the kernel, |
117 | * an error will be returned. Otherwise %0 is returned on success. |
118 | */ |
119 | int __init register_security(struct security_operations *ops) |
120 | { |
121 | if (verify(ops)) { |
122 | printk(KERN_DEBUG "%s could not verify " |
123 | "security_operations structure.\n", __func__); |
124 | return -EINVAL; |
125 | } |
126 | |
127 | if (security_ops != &default_security_ops) |
128 | return -EAGAIN; |
129 | |
130 | security_ops = ops; |
131 | |
132 | return 0; |
133 | } |
134 | |
135 | /* Security operations */ |
136 | |
137 | int security_ptrace_access_check(struct task_struct *child, unsigned int mode) |
138 | { |
139 | return security_ops->ptrace_access_check(child, mode); |
140 | } |
141 | |
142 | int security_ptrace_traceme(struct task_struct *parent) |
143 | { |
144 | return security_ops->ptrace_traceme(parent); |
145 | } |
146 | |
147 | int security_capget(struct task_struct *target, |
148 | kernel_cap_t *effective, |
149 | kernel_cap_t *inheritable, |
150 | kernel_cap_t *permitted) |
151 | { |
152 | return security_ops->capget(target, effective, inheritable, permitted); |
153 | } |
154 | |
155 | int security_capset(struct cred *new, const struct cred *old, |
156 | const kernel_cap_t *effective, |
157 | const kernel_cap_t *inheritable, |
158 | const kernel_cap_t *permitted) |
159 | { |
160 | return security_ops->capset(new, old, |
161 | effective, inheritable, permitted); |
162 | } |
163 | |
164 | int security_capable(const struct cred *cred, struct user_namespace *ns, |
165 | int cap) |
166 | { |
167 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT); |
168 | } |
169 | |
170 | int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns, |
171 | int cap) |
172 | { |
173 | return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT); |
174 | } |
175 | |
176 | int security_quotactl(int cmds, int type, int id, struct super_block *sb) |
177 | { |
178 | return security_ops->quotactl(cmds, type, id, sb); |
179 | } |
180 | |
181 | int security_quota_on(struct dentry *dentry) |
182 | { |
183 | return security_ops->quota_on(dentry); |
184 | } |
185 | |
186 | int security_syslog(int type) |
187 | { |
188 | return security_ops->syslog(type); |
189 | } |
190 | |
191 | int security_settime(const struct timespec *ts, const struct timezone *tz) |
192 | { |
193 | return security_ops->settime(ts, tz); |
194 | } |
195 | |
196 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) |
197 | { |
198 | return security_ops->vm_enough_memory(mm, pages); |
199 | } |
200 | |
201 | int security_bprm_set_creds(struct linux_binprm *bprm) |
202 | { |
203 | return security_ops->bprm_set_creds(bprm); |
204 | } |
205 | |
206 | int security_bprm_check(struct linux_binprm *bprm) |
207 | { |
208 | int ret; |
209 | |
210 | ret = security_ops->bprm_check_security(bprm); |
211 | if (ret) |
212 | return ret; |
213 | return ima_bprm_check(bprm); |
214 | } |
215 | |
216 | void security_bprm_committing_creds(struct linux_binprm *bprm) |
217 | { |
218 | security_ops->bprm_committing_creds(bprm); |
219 | } |
220 | |
221 | void security_bprm_committed_creds(struct linux_binprm *bprm) |
222 | { |
223 | security_ops->bprm_committed_creds(bprm); |
224 | } |
225 | |
226 | int security_bprm_secureexec(struct linux_binprm *bprm) |
227 | { |
228 | return security_ops->bprm_secureexec(bprm); |
229 | } |
230 | |
231 | int security_sb_alloc(struct super_block *sb) |
232 | { |
233 | return security_ops->sb_alloc_security(sb); |
234 | } |
235 | |
236 | void security_sb_free(struct super_block *sb) |
237 | { |
238 | security_ops->sb_free_security(sb); |
239 | } |
240 | |
241 | int security_sb_copy_data(char *orig, char *copy) |
242 | { |
243 | return security_ops->sb_copy_data(orig, copy); |
244 | } |
245 | EXPORT_SYMBOL(security_sb_copy_data); |
246 | |
247 | int security_sb_remount(struct super_block *sb, void *data) |
248 | { |
249 | return security_ops->sb_remount(sb, data); |
250 | } |
251 | |
252 | int security_sb_kern_mount(struct super_block *sb, int flags, void *data) |
253 | { |
254 | return security_ops->sb_kern_mount(sb, flags, data); |
255 | } |
256 | |
257 | int security_sb_show_options(struct seq_file *m, struct super_block *sb) |
258 | { |
259 | return security_ops->sb_show_options(m, sb); |
260 | } |
261 | |
262 | int security_sb_statfs(struct dentry *dentry) |
263 | { |
264 | return security_ops->sb_statfs(dentry); |
265 | } |
266 | |
267 | int security_sb_mount(char *dev_name, struct path *path, |
268 | char *type, unsigned long flags, void *data) |
269 | { |
270 | return security_ops->sb_mount(dev_name, path, type, flags, data); |
271 | } |
272 | |
273 | int security_sb_umount(struct vfsmount *mnt, int flags) |
274 | { |
275 | return security_ops->sb_umount(mnt, flags); |
276 | } |
277 | |
278 | int security_sb_pivotroot(struct path *old_path, struct path *new_path) |
279 | { |
280 | return security_ops->sb_pivotroot(old_path, new_path); |
281 | } |
282 | |
283 | int security_sb_set_mnt_opts(struct super_block *sb, |
284 | struct security_mnt_opts *opts) |
285 | { |
286 | return security_ops->sb_set_mnt_opts(sb, opts); |
287 | } |
288 | EXPORT_SYMBOL(security_sb_set_mnt_opts); |
289 | |
290 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, |
291 | struct super_block *newsb) |
292 | { |
293 | security_ops->sb_clone_mnt_opts(oldsb, newsb); |
294 | } |
295 | EXPORT_SYMBOL(security_sb_clone_mnt_opts); |
296 | |
297 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) |
298 | { |
299 | return security_ops->sb_parse_opts_str(options, opts); |
300 | } |
301 | EXPORT_SYMBOL(security_sb_parse_opts_str); |
302 | |
303 | int security_inode_alloc(struct inode *inode) |
304 | { |
305 | inode->i_security = NULL; |
306 | return security_ops->inode_alloc_security(inode); |
307 | } |
308 | |
309 | void security_inode_free(struct inode *inode) |
310 | { |
311 | integrity_inode_free(inode); |
312 | security_ops->inode_free_security(inode); |
313 | } |
314 | |
315 | int security_inode_init_security(struct inode *inode, struct inode *dir, |
316 | const struct qstr *qstr, |
317 | const initxattrs initxattrs, void *fs_data) |
318 | { |
319 | struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1]; |
320 | struct xattr *lsm_xattr, *evm_xattr, *xattr; |
321 | int ret; |
322 | |
323 | if (unlikely(IS_PRIVATE(inode))) |
324 | return 0; |
325 | |
326 | memset(new_xattrs, 0, sizeof new_xattrs); |
327 | if (!initxattrs) |
328 | return security_ops->inode_init_security(inode, dir, qstr, |
329 | NULL, NULL, NULL); |
330 | lsm_xattr = new_xattrs; |
331 | ret = security_ops->inode_init_security(inode, dir, qstr, |
332 | &lsm_xattr->name, |
333 | &lsm_xattr->value, |
334 | &lsm_xattr->value_len); |
335 | if (ret) |
336 | goto out; |
337 | |
338 | evm_xattr = lsm_xattr + 1; |
339 | ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr); |
340 | if (ret) |
341 | goto out; |
342 | ret = initxattrs(inode, new_xattrs, fs_data); |
343 | out: |
344 | for (xattr = new_xattrs; xattr->name != NULL; xattr++) { |
345 | kfree(xattr->name); |
346 | kfree(xattr->value); |
347 | } |
348 | return (ret == -EOPNOTSUPP) ? 0 : ret; |
349 | } |
350 | EXPORT_SYMBOL(security_inode_init_security); |
351 | |
352 | int security_old_inode_init_security(struct inode *inode, struct inode *dir, |
353 | const struct qstr *qstr, char **name, |
354 | void **value, size_t *len) |
355 | { |
356 | if (unlikely(IS_PRIVATE(inode))) |
357 | return -EOPNOTSUPP; |
358 | return security_ops->inode_init_security(inode, dir, qstr, name, value, |
359 | len); |
360 | } |
361 | EXPORT_SYMBOL(security_old_inode_init_security); |
362 | |
363 | #ifdef CONFIG_SECURITY_PATH |
364 | int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
365 | unsigned int dev) |
366 | { |
367 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
368 | return 0; |
369 | return security_ops->path_mknod(dir, dentry, mode, dev); |
370 | } |
371 | EXPORT_SYMBOL(security_path_mknod); |
372 | |
373 | int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
374 | { |
375 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
376 | return 0; |
377 | return security_ops->path_mkdir(dir, dentry, mode); |
378 | } |
379 | EXPORT_SYMBOL(security_path_mkdir); |
380 | |
381 | int security_path_rmdir(struct path *dir, struct dentry *dentry) |
382 | { |
383 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
384 | return 0; |
385 | return security_ops->path_rmdir(dir, dentry); |
386 | } |
387 | |
388 | int security_path_unlink(struct path *dir, struct dentry *dentry) |
389 | { |
390 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
391 | return 0; |
392 | return security_ops->path_unlink(dir, dentry); |
393 | } |
394 | EXPORT_SYMBOL(security_path_unlink); |
395 | |
396 | int security_path_symlink(struct path *dir, struct dentry *dentry, |
397 | const char *old_name) |
398 | { |
399 | if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) |
400 | return 0; |
401 | return security_ops->path_symlink(dir, dentry, old_name); |
402 | } |
403 | |
404 | int security_path_link(struct dentry *old_dentry, struct path *new_dir, |
405 | struct dentry *new_dentry) |
406 | { |
407 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
408 | return 0; |
409 | return security_ops->path_link(old_dentry, new_dir, new_dentry); |
410 | } |
411 | |
412 | int security_path_rename(struct path *old_dir, struct dentry *old_dentry, |
413 | struct path *new_dir, struct dentry *new_dentry) |
414 | { |
415 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
416 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
417 | return 0; |
418 | return security_ops->path_rename(old_dir, old_dentry, new_dir, |
419 | new_dentry); |
420 | } |
421 | EXPORT_SYMBOL(security_path_rename); |
422 | |
423 | int security_path_truncate(struct path *path) |
424 | { |
425 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
426 | return 0; |
427 | return security_ops->path_truncate(path); |
428 | } |
429 | |
430 | int security_path_chmod(struct path *path, umode_t mode) |
431 | { |
432 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
433 | return 0; |
434 | return security_ops->path_chmod(path, mode); |
435 | } |
436 | |
437 | int security_path_chown(struct path *path, uid_t uid, gid_t gid) |
438 | { |
439 | if (unlikely(IS_PRIVATE(path->dentry->d_inode))) |
440 | return 0; |
441 | return security_ops->path_chown(path, uid, gid); |
442 | } |
443 | |
444 | int security_path_chroot(struct path *path) |
445 | { |
446 | return security_ops->path_chroot(path); |
447 | } |
448 | #endif |
449 | |
450 | int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) |
451 | { |
452 | if (unlikely(IS_PRIVATE(dir))) |
453 | return 0; |
454 | return security_ops->inode_create(dir, dentry, mode); |
455 | } |
456 | EXPORT_SYMBOL_GPL(security_inode_create); |
457 | |
458 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, |
459 | struct dentry *new_dentry) |
460 | { |
461 | if (unlikely(IS_PRIVATE(old_dentry->d_inode))) |
462 | return 0; |
463 | return security_ops->inode_link(old_dentry, dir, new_dentry); |
464 | } |
465 | |
466 | int security_inode_unlink(struct inode *dir, struct dentry *dentry) |
467 | { |
468 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
469 | return 0; |
470 | return security_ops->inode_unlink(dir, dentry); |
471 | } |
472 | |
473 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, |
474 | const char *old_name) |
475 | { |
476 | if (unlikely(IS_PRIVATE(dir))) |
477 | return 0; |
478 | return security_ops->inode_symlink(dir, dentry, old_name); |
479 | } |
480 | |
481 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
482 | { |
483 | if (unlikely(IS_PRIVATE(dir))) |
484 | return 0; |
485 | return security_ops->inode_mkdir(dir, dentry, mode); |
486 | } |
487 | EXPORT_SYMBOL_GPL(security_inode_mkdir); |
488 | |
489 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry) |
490 | { |
491 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
492 | return 0; |
493 | return security_ops->inode_rmdir(dir, dentry); |
494 | } |
495 | |
496 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) |
497 | { |
498 | if (unlikely(IS_PRIVATE(dir))) |
499 | return 0; |
500 | return security_ops->inode_mknod(dir, dentry, mode, dev); |
501 | } |
502 | |
503 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, |
504 | struct inode *new_dir, struct dentry *new_dentry) |
505 | { |
506 | if (unlikely(IS_PRIVATE(old_dentry->d_inode) || |
507 | (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode)))) |
508 | return 0; |
509 | return security_ops->inode_rename(old_dir, old_dentry, |
510 | new_dir, new_dentry); |
511 | } |
512 | |
513 | int security_inode_readlink(struct dentry *dentry) |
514 | { |
515 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
516 | return 0; |
517 | return security_ops->inode_readlink(dentry); |
518 | } |
519 | |
520 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd) |
521 | { |
522 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
523 | return 0; |
524 | return security_ops->inode_follow_link(dentry, nd); |
525 | } |
526 | |
527 | int security_inode_permission(struct inode *inode, int mask) |
528 | { |
529 | if (unlikely(IS_PRIVATE(inode))) |
530 | return 0; |
531 | return security_ops->inode_permission(inode, mask); |
532 | } |
533 | |
534 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr) |
535 | { |
536 | int ret; |
537 | |
538 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
539 | return 0; |
540 | ret = security_ops->inode_setattr(dentry, attr); |
541 | if (ret) |
542 | return ret; |
543 | return evm_inode_setattr(dentry, attr); |
544 | } |
545 | EXPORT_SYMBOL_GPL(security_inode_setattr); |
546 | |
547 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
548 | { |
549 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
550 | return 0; |
551 | return security_ops->inode_getattr(mnt, dentry); |
552 | } |
553 | |
554 | int security_inode_setxattr(struct dentry *dentry, const char *name, |
555 | const void *value, size_t size, int flags) |
556 | { |
557 | int ret; |
558 | |
559 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
560 | return 0; |
561 | ret = security_ops->inode_setxattr(dentry, name, value, size, flags); |
562 | if (ret) |
563 | return ret; |
564 | return evm_inode_setxattr(dentry, name, value, size); |
565 | } |
566 | |
567 | void security_inode_post_setxattr(struct dentry *dentry, const char *name, |
568 | const void *value, size_t size, int flags) |
569 | { |
570 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
571 | return; |
572 | security_ops->inode_post_setxattr(dentry, name, value, size, flags); |
573 | evm_inode_post_setxattr(dentry, name, value, size); |
574 | } |
575 | |
576 | int security_inode_getxattr(struct dentry *dentry, const char *name) |
577 | { |
578 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
579 | return 0; |
580 | return security_ops->inode_getxattr(dentry, name); |
581 | } |
582 | |
583 | int security_inode_listxattr(struct dentry *dentry) |
584 | { |
585 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
586 | return 0; |
587 | return security_ops->inode_listxattr(dentry); |
588 | } |
589 | |
590 | int security_inode_removexattr(struct dentry *dentry, const char *name) |
591 | { |
592 | int ret; |
593 | |
594 | if (unlikely(IS_PRIVATE(dentry->d_inode))) |
595 | return 0; |
596 | ret = security_ops->inode_removexattr(dentry, name); |
597 | if (ret) |
598 | return ret; |
599 | return evm_inode_removexattr(dentry, name); |
600 | } |
601 | |
602 | int security_inode_need_killpriv(struct dentry *dentry) |
603 | { |
604 | return security_ops->inode_need_killpriv(dentry); |
605 | } |
606 | |
607 | int security_inode_killpriv(struct dentry *dentry) |
608 | { |
609 | return security_ops->inode_killpriv(dentry); |
610 | } |
611 | |
612 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
613 | { |
614 | if (unlikely(IS_PRIVATE(inode))) |
615 | return -EOPNOTSUPP; |
616 | return security_ops->inode_getsecurity(inode, name, buffer, alloc); |
617 | } |
618 | |
619 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
620 | { |
621 | if (unlikely(IS_PRIVATE(inode))) |
622 | return -EOPNOTSUPP; |
623 | return security_ops->inode_setsecurity(inode, name, value, size, flags); |
624 | } |
625 | |
626 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
627 | { |
628 | if (unlikely(IS_PRIVATE(inode))) |
629 | return 0; |
630 | return security_ops->inode_listsecurity(inode, buffer, buffer_size); |
631 | } |
632 | |
633 | void security_inode_getsecid(const struct inode *inode, u32 *secid) |
634 | { |
635 | security_ops->inode_getsecid(inode, secid); |
636 | } |
637 | |
638 | int security_file_permission(struct file *file, int mask) |
639 | { |
640 | int ret; |
641 | |
642 | ret = security_ops->file_permission(file, mask); |
643 | if (ret) |
644 | return ret; |
645 | |
646 | return fsnotify_perm(file, mask); |
647 | } |
648 | |
649 | int security_file_alloc(struct file *file) |
650 | { |
651 | return security_ops->file_alloc_security(file); |
652 | } |
653 | |
654 | void security_file_free(struct file *file) |
655 | { |
656 | security_ops->file_free_security(file); |
657 | } |
658 | |
659 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
660 | { |
661 | return security_ops->file_ioctl(file, cmd, arg); |
662 | } |
663 | |
664 | static inline unsigned long mmap_prot(struct file *file, unsigned long prot) |
665 | { |
666 | /* |
667 | * Does we have PROT_READ and does the application expect |
668 | * it to imply PROT_EXEC? If not, nothing to talk about... |
669 | */ |
670 | if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ) |
671 | return prot; |
672 | if (!(current->personality & READ_IMPLIES_EXEC)) |
673 | return prot; |
674 | /* |
675 | * if that's an anonymous mapping, let it. |
676 | */ |
677 | if (!file) |
678 | return prot | PROT_EXEC; |
679 | /* |
680 | * ditto if it's not on noexec mount, except that on !MMU we need |
681 | * BDI_CAP_EXEC_MMAP (== VM_MAYEXEC) in this case |
682 | */ |
683 | if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) { |
684 | #ifndef CONFIG_MMU |
685 | unsigned long caps = 0; |
686 | struct address_space *mapping = file->f_mapping; |
687 | if (mapping && mapping->backing_dev_info) |
688 | caps = mapping->backing_dev_info->capabilities; |
689 | if (!(caps & BDI_CAP_EXEC_MAP)) |
690 | return prot; |
691 | #endif |
692 | return prot | PROT_EXEC; |
693 | } |
694 | /* anything on noexec mount won't get PROT_EXEC */ |
695 | return prot; |
696 | } |
697 | |
698 | int security_mmap_file(struct file *file, unsigned long prot, |
699 | unsigned long flags) |
700 | { |
701 | int ret; |
702 | ret = security_ops->mmap_file(file, prot, |
703 | mmap_prot(file, prot), flags); |
704 | if (ret) |
705 | return ret; |
706 | return ima_file_mmap(file, prot); |
707 | } |
708 | |
709 | int security_mmap_addr(unsigned long addr) |
710 | { |
711 | return security_ops->mmap_addr(addr); |
712 | } |
713 | |
714 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
715 | unsigned long prot) |
716 | { |
717 | return security_ops->file_mprotect(vma, reqprot, prot); |
718 | } |
719 | |
720 | int security_file_lock(struct file *file, unsigned int cmd) |
721 | { |
722 | return security_ops->file_lock(file, cmd); |
723 | } |
724 | |
725 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg) |
726 | { |
727 | return security_ops->file_fcntl(file, cmd, arg); |
728 | } |
729 | |
730 | int security_file_set_fowner(struct file *file) |
731 | { |
732 | return security_ops->file_set_fowner(file); |
733 | } |
734 | |
735 | int security_file_send_sigiotask(struct task_struct *tsk, |
736 | struct fown_struct *fown, int sig) |
737 | { |
738 | return security_ops->file_send_sigiotask(tsk, fown, sig); |
739 | } |
740 | |
741 | int security_file_receive(struct file *file) |
742 | { |
743 | return security_ops->file_receive(file); |
744 | } |
745 | |
746 | int security_file_open(struct file *file, const struct cred *cred) |
747 | { |
748 | int ret; |
749 | |
750 | ret = security_ops->file_open(file, cred); |
751 | if (ret) |
752 | return ret; |
753 | |
754 | return fsnotify_perm(file, MAY_OPEN); |
755 | } |
756 | |
757 | int security_task_create(unsigned long clone_flags) |
758 | { |
759 | return security_ops->task_create(clone_flags); |
760 | } |
761 | |
762 | void security_task_free(struct task_struct *task) |
763 | { |
764 | security_ops->task_free(task); |
765 | } |
766 | |
767 | int security_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
768 | { |
769 | return security_ops->cred_alloc_blank(cred, gfp); |
770 | } |
771 | |
772 | void security_cred_free(struct cred *cred) |
773 | { |
774 | security_ops->cred_free(cred); |
775 | } |
776 | |
777 | int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp) |
778 | { |
779 | return security_ops->cred_prepare(new, old, gfp); |
780 | } |
781 | |
782 | void security_transfer_creds(struct cred *new, const struct cred *old) |
783 | { |
784 | security_ops->cred_transfer(new, old); |
785 | } |
786 | |
787 | int security_kernel_act_as(struct cred *new, u32 secid) |
788 | { |
789 | return security_ops->kernel_act_as(new, secid); |
790 | } |
791 | |
792 | int security_kernel_create_files_as(struct cred *new, struct inode *inode) |
793 | { |
794 | return security_ops->kernel_create_files_as(new, inode); |
795 | } |
796 | |
797 | int security_kernel_module_request(char *kmod_name) |
798 | { |
799 | return security_ops->kernel_module_request(kmod_name); |
800 | } |
801 | |
802 | int security_task_fix_setuid(struct cred *new, const struct cred *old, |
803 | int flags) |
804 | { |
805 | return security_ops->task_fix_setuid(new, old, flags); |
806 | } |
807 | |
808 | int security_task_setpgid(struct task_struct *p, pid_t pgid) |
809 | { |
810 | return security_ops->task_setpgid(p, pgid); |
811 | } |
812 | |
813 | int security_task_getpgid(struct task_struct *p) |
814 | { |
815 | return security_ops->task_getpgid(p); |
816 | } |
817 | |
818 | int security_task_getsid(struct task_struct *p) |
819 | { |
820 | return security_ops->task_getsid(p); |
821 | } |
822 | |
823 | void security_task_getsecid(struct task_struct *p, u32 *secid) |
824 | { |
825 | security_ops->task_getsecid(p, secid); |
826 | } |
827 | EXPORT_SYMBOL(security_task_getsecid); |
828 | |
829 | int security_task_setnice(struct task_struct *p, int nice) |
830 | { |
831 | return security_ops->task_setnice(p, nice); |
832 | } |
833 | |
834 | int security_task_setioprio(struct task_struct *p, int ioprio) |
835 | { |
836 | return security_ops->task_setioprio(p, ioprio); |
837 | } |
838 | |
839 | int security_task_getioprio(struct task_struct *p) |
840 | { |
841 | return security_ops->task_getioprio(p); |
842 | } |
843 | |
844 | int security_task_setrlimit(struct task_struct *p, unsigned int resource, |
845 | struct rlimit *new_rlim) |
846 | { |
847 | return security_ops->task_setrlimit(p, resource, new_rlim); |
848 | } |
849 | |
850 | int security_task_setscheduler(struct task_struct *p) |
851 | { |
852 | return security_ops->task_setscheduler(p); |
853 | } |
854 | |
855 | int security_task_getscheduler(struct task_struct *p) |
856 | { |
857 | return security_ops->task_getscheduler(p); |
858 | } |
859 | |
860 | int security_task_movememory(struct task_struct *p) |
861 | { |
862 | return security_ops->task_movememory(p); |
863 | } |
864 | |
865 | int security_task_kill(struct task_struct *p, struct siginfo *info, |
866 | int sig, u32 secid) |
867 | { |
868 | return security_ops->task_kill(p, info, sig, secid); |
869 | } |
870 | |
871 | int security_task_wait(struct task_struct *p) |
872 | { |
873 | return security_ops->task_wait(p); |
874 | } |
875 | |
876 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, |
877 | unsigned long arg4, unsigned long arg5) |
878 | { |
879 | return security_ops->task_prctl(option, arg2, arg3, arg4, arg5); |
880 | } |
881 | |
882 | void security_task_to_inode(struct task_struct *p, struct inode *inode) |
883 | { |
884 | security_ops->task_to_inode(p, inode); |
885 | } |
886 | |
887 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
888 | { |
889 | return security_ops->ipc_permission(ipcp, flag); |
890 | } |
891 | |
892 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
893 | { |
894 | security_ops->ipc_getsecid(ipcp, secid); |
895 | } |
896 | |
897 | int security_msg_msg_alloc(struct msg_msg *msg) |
898 | { |
899 | return security_ops->msg_msg_alloc_security(msg); |
900 | } |
901 | |
902 | void security_msg_msg_free(struct msg_msg *msg) |
903 | { |
904 | security_ops->msg_msg_free_security(msg); |
905 | } |
906 | |
907 | int security_msg_queue_alloc(struct msg_queue *msq) |
908 | { |
909 | return security_ops->msg_queue_alloc_security(msq); |
910 | } |
911 | |
912 | void security_msg_queue_free(struct msg_queue *msq) |
913 | { |
914 | security_ops->msg_queue_free_security(msq); |
915 | } |
916 | |
917 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg) |
918 | { |
919 | return security_ops->msg_queue_associate(msq, msqflg); |
920 | } |
921 | |
922 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
923 | { |
924 | return security_ops->msg_queue_msgctl(msq, cmd); |
925 | } |
926 | |
927 | int security_msg_queue_msgsnd(struct msg_queue *msq, |
928 | struct msg_msg *msg, int msqflg) |
929 | { |
930 | return security_ops->msg_queue_msgsnd(msq, msg, msqflg); |
931 | } |
932 | |
933 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
934 | struct task_struct *target, long type, int mode) |
935 | { |
936 | return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode); |
937 | } |
938 | |
939 | int security_shm_alloc(struct shmid_kernel *shp) |
940 | { |
941 | return security_ops->shm_alloc_security(shp); |
942 | } |
943 | |
944 | void security_shm_free(struct shmid_kernel *shp) |
945 | { |
946 | security_ops->shm_free_security(shp); |
947 | } |
948 | |
949 | int security_shm_associate(struct shmid_kernel *shp, int shmflg) |
950 | { |
951 | return security_ops->shm_associate(shp, shmflg); |
952 | } |
953 | |
954 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd) |
955 | { |
956 | return security_ops->shm_shmctl(shp, cmd); |
957 | } |
958 | |
959 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg) |
960 | { |
961 | return security_ops->shm_shmat(shp, shmaddr, shmflg); |
962 | } |
963 | |
964 | int security_sem_alloc(struct sem_array *sma) |
965 | { |
966 | return security_ops->sem_alloc_security(sma); |
967 | } |
968 | |
969 | void security_sem_free(struct sem_array *sma) |
970 | { |
971 | security_ops->sem_free_security(sma); |
972 | } |
973 | |
974 | int security_sem_associate(struct sem_array *sma, int semflg) |
975 | { |
976 | return security_ops->sem_associate(sma, semflg); |
977 | } |
978 | |
979 | int security_sem_semctl(struct sem_array *sma, int cmd) |
980 | { |
981 | return security_ops->sem_semctl(sma, cmd); |
982 | } |
983 | |
984 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, |
985 | unsigned nsops, int alter) |
986 | { |
987 | return security_ops->sem_semop(sma, sops, nsops, alter); |
988 | } |
989 | |
990 | void security_d_instantiate(struct dentry *dentry, struct inode *inode) |
991 | { |
992 | if (unlikely(inode && IS_PRIVATE(inode))) |
993 | return; |
994 | security_ops->d_instantiate(dentry, inode); |
995 | } |
996 | EXPORT_SYMBOL(security_d_instantiate); |
997 | |
998 | int security_getprocattr(struct task_struct *p, char *name, char **value) |
999 | { |
1000 | return security_ops->getprocattr(p, name, value); |
1001 | } |
1002 | |
1003 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
1004 | { |
1005 | return security_ops->setprocattr(p, name, value, size); |
1006 | } |
1007 | |
1008 | int security_netlink_send(struct sock *sk, struct sk_buff *skb) |
1009 | { |
1010 | return security_ops->netlink_send(sk, skb); |
1011 | } |
1012 | |
1013 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
1014 | { |
1015 | return security_ops->secid_to_secctx(secid, secdata, seclen); |
1016 | } |
1017 | EXPORT_SYMBOL(security_secid_to_secctx); |
1018 | |
1019 | int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
1020 | { |
1021 | return security_ops->secctx_to_secid(secdata, seclen, secid); |
1022 | } |
1023 | EXPORT_SYMBOL(security_secctx_to_secid); |
1024 | |
1025 | void security_release_secctx(char *secdata, u32 seclen) |
1026 | { |
1027 | security_ops->release_secctx(secdata, seclen); |
1028 | } |
1029 | EXPORT_SYMBOL(security_release_secctx); |
1030 | |
1031 | int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
1032 | { |
1033 | return security_ops->inode_notifysecctx(inode, ctx, ctxlen); |
1034 | } |
1035 | EXPORT_SYMBOL(security_inode_notifysecctx); |
1036 | |
1037 | int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
1038 | { |
1039 | return security_ops->inode_setsecctx(dentry, ctx, ctxlen); |
1040 | } |
1041 | EXPORT_SYMBOL(security_inode_setsecctx); |
1042 | |
1043 | int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
1044 | { |
1045 | return security_ops->inode_getsecctx(inode, ctx, ctxlen); |
1046 | } |
1047 | EXPORT_SYMBOL(security_inode_getsecctx); |
1048 | |
1049 | #ifdef CONFIG_SECURITY_NETWORK |
1050 | |
1051 | int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk) |
1052 | { |
1053 | return security_ops->unix_stream_connect(sock, other, newsk); |
1054 | } |
1055 | EXPORT_SYMBOL(security_unix_stream_connect); |
1056 | |
1057 | int security_unix_may_send(struct socket *sock, struct socket *other) |
1058 | { |
1059 | return security_ops->unix_may_send(sock, other); |
1060 | } |
1061 | EXPORT_SYMBOL(security_unix_may_send); |
1062 | |
1063 | int security_socket_create(int family, int type, int protocol, int kern) |
1064 | { |
1065 | return security_ops->socket_create(family, type, protocol, kern); |
1066 | } |
1067 | |
1068 | int security_socket_post_create(struct socket *sock, int family, |
1069 | int type, int protocol, int kern) |
1070 | { |
1071 | return security_ops->socket_post_create(sock, family, type, |
1072 | protocol, kern); |
1073 | } |
1074 | |
1075 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen) |
1076 | { |
1077 | return security_ops->socket_bind(sock, address, addrlen); |
1078 | } |
1079 | |
1080 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) |
1081 | { |
1082 | return security_ops->socket_connect(sock, address, addrlen); |
1083 | } |
1084 | |
1085 | int security_socket_listen(struct socket *sock, int backlog) |
1086 | { |
1087 | return security_ops->socket_listen(sock, backlog); |
1088 | } |
1089 | |
1090 | int security_socket_accept(struct socket *sock, struct socket *newsock) |
1091 | { |
1092 | return security_ops->socket_accept(sock, newsock); |
1093 | } |
1094 | |
1095 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
1096 | { |
1097 | return security_ops->socket_sendmsg(sock, msg, size); |
1098 | } |
1099 | |
1100 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
1101 | int size, int flags) |
1102 | { |
1103 | return security_ops->socket_recvmsg(sock, msg, size, flags); |
1104 | } |
1105 | |
1106 | int security_socket_getsockname(struct socket *sock) |
1107 | { |
1108 | return security_ops->socket_getsockname(sock); |
1109 | } |
1110 | |
1111 | int security_socket_getpeername(struct socket *sock) |
1112 | { |
1113 | return security_ops->socket_getpeername(sock); |
1114 | } |
1115 | |
1116 | int security_socket_getsockopt(struct socket *sock, int level, int optname) |
1117 | { |
1118 | return security_ops->socket_getsockopt(sock, level, optname); |
1119 | } |
1120 | |
1121 | int security_socket_setsockopt(struct socket *sock, int level, int optname) |
1122 | { |
1123 | return security_ops->socket_setsockopt(sock, level, optname); |
1124 | } |
1125 | |
1126 | int security_socket_shutdown(struct socket *sock, int how) |
1127 | { |
1128 | return security_ops->socket_shutdown(sock, how); |
1129 | } |
1130 | |
1131 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
1132 | { |
1133 | return security_ops->socket_sock_rcv_skb(sk, skb); |
1134 | } |
1135 | EXPORT_SYMBOL(security_sock_rcv_skb); |
1136 | |
1137 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
1138 | int __user *optlen, unsigned len) |
1139 | { |
1140 | return security_ops->socket_getpeersec_stream(sock, optval, optlen, len); |
1141 | } |
1142 | |
1143 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
1144 | { |
1145 | return security_ops->socket_getpeersec_dgram(sock, skb, secid); |
1146 | } |
1147 | EXPORT_SYMBOL(security_socket_getpeersec_dgram); |
1148 | |
1149 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
1150 | { |
1151 | return security_ops->sk_alloc_security(sk, family, priority); |
1152 | } |
1153 | |
1154 | void security_sk_free(struct sock *sk) |
1155 | { |
1156 | security_ops->sk_free_security(sk); |
1157 | } |
1158 | |
1159 | void security_sk_clone(const struct sock *sk, struct sock *newsk) |
1160 | { |
1161 | security_ops->sk_clone_security(sk, newsk); |
1162 | } |
1163 | EXPORT_SYMBOL(security_sk_clone); |
1164 | |
1165 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
1166 | { |
1167 | security_ops->sk_getsecid(sk, &fl->flowi_secid); |
1168 | } |
1169 | EXPORT_SYMBOL(security_sk_classify_flow); |
1170 | |
1171 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) |
1172 | { |
1173 | security_ops->req_classify_flow(req, fl); |
1174 | } |
1175 | EXPORT_SYMBOL(security_req_classify_flow); |
1176 | |
1177 | void security_sock_graft(struct sock *sk, struct socket *parent) |
1178 | { |
1179 | security_ops->sock_graft(sk, parent); |
1180 | } |
1181 | EXPORT_SYMBOL(security_sock_graft); |
1182 | |
1183 | int security_inet_conn_request(struct sock *sk, |
1184 | struct sk_buff *skb, struct request_sock *req) |
1185 | { |
1186 | return security_ops->inet_conn_request(sk, skb, req); |
1187 | } |
1188 | EXPORT_SYMBOL(security_inet_conn_request); |
1189 | |
1190 | void security_inet_csk_clone(struct sock *newsk, |
1191 | const struct request_sock *req) |
1192 | { |
1193 | security_ops->inet_csk_clone(newsk, req); |
1194 | } |
1195 | |
1196 | void security_inet_conn_established(struct sock *sk, |
1197 | struct sk_buff *skb) |
1198 | { |
1199 | security_ops->inet_conn_established(sk, skb); |
1200 | } |
1201 | |
1202 | int security_secmark_relabel_packet(u32 secid) |
1203 | { |
1204 | return security_ops->secmark_relabel_packet(secid); |
1205 | } |
1206 | EXPORT_SYMBOL(security_secmark_relabel_packet); |
1207 | |
1208 | void security_secmark_refcount_inc(void) |
1209 | { |
1210 | security_ops->secmark_refcount_inc(); |
1211 | } |
1212 | EXPORT_SYMBOL(security_secmark_refcount_inc); |
1213 | |
1214 | void security_secmark_refcount_dec(void) |
1215 | { |
1216 | security_ops->secmark_refcount_dec(); |
1217 | } |
1218 | EXPORT_SYMBOL(security_secmark_refcount_dec); |
1219 | |
1220 | int security_tun_dev_create(void) |
1221 | { |
1222 | return security_ops->tun_dev_create(); |
1223 | } |
1224 | EXPORT_SYMBOL(security_tun_dev_create); |
1225 | |
1226 | void security_tun_dev_post_create(struct sock *sk) |
1227 | { |
1228 | return security_ops->tun_dev_post_create(sk); |
1229 | } |
1230 | EXPORT_SYMBOL(security_tun_dev_post_create); |
1231 | |
1232 | int security_tun_dev_attach(struct sock *sk) |
1233 | { |
1234 | return security_ops->tun_dev_attach(sk); |
1235 | } |
1236 | EXPORT_SYMBOL(security_tun_dev_attach); |
1237 | |
1238 | #endif /* CONFIG_SECURITY_NETWORK */ |
1239 | |
1240 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1241 | |
1242 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
1243 | { |
1244 | return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx); |
1245 | } |
1246 | EXPORT_SYMBOL(security_xfrm_policy_alloc); |
1247 | |
1248 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, |
1249 | struct xfrm_sec_ctx **new_ctxp) |
1250 | { |
1251 | return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp); |
1252 | } |
1253 | |
1254 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
1255 | { |
1256 | security_ops->xfrm_policy_free_security(ctx); |
1257 | } |
1258 | EXPORT_SYMBOL(security_xfrm_policy_free); |
1259 | |
1260 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
1261 | { |
1262 | return security_ops->xfrm_policy_delete_security(ctx); |
1263 | } |
1264 | |
1265 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx) |
1266 | { |
1267 | return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0); |
1268 | } |
1269 | EXPORT_SYMBOL(security_xfrm_state_alloc); |
1270 | |
1271 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, |
1272 | struct xfrm_sec_ctx *polsec, u32 secid) |
1273 | { |
1274 | if (!polsec) |
1275 | return 0; |
1276 | /* |
1277 | * We want the context to be taken from secid which is usually |
1278 | * from the sock. |
1279 | */ |
1280 | return security_ops->xfrm_state_alloc_security(x, NULL, secid); |
1281 | } |
1282 | |
1283 | int security_xfrm_state_delete(struct xfrm_state *x) |
1284 | { |
1285 | return security_ops->xfrm_state_delete_security(x); |
1286 | } |
1287 | EXPORT_SYMBOL(security_xfrm_state_delete); |
1288 | |
1289 | void security_xfrm_state_free(struct xfrm_state *x) |
1290 | { |
1291 | security_ops->xfrm_state_free_security(x); |
1292 | } |
1293 | |
1294 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
1295 | { |
1296 | return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir); |
1297 | } |
1298 | |
1299 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
1300 | struct xfrm_policy *xp, |
1301 | const struct flowi *fl) |
1302 | { |
1303 | return security_ops->xfrm_state_pol_flow_match(x, xp, fl); |
1304 | } |
1305 | |
1306 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
1307 | { |
1308 | return security_ops->xfrm_decode_session(skb, secid, 1); |
1309 | } |
1310 | |
1311 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
1312 | { |
1313 | int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0); |
1314 | |
1315 | BUG_ON(rc); |
1316 | } |
1317 | EXPORT_SYMBOL(security_skb_classify_flow); |
1318 | |
1319 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
1320 | |
1321 | #ifdef CONFIG_KEYS |
1322 | |
1323 | int security_key_alloc(struct key *key, const struct cred *cred, |
1324 | unsigned long flags) |
1325 | { |
1326 | return security_ops->key_alloc(key, cred, flags); |
1327 | } |
1328 | |
1329 | void security_key_free(struct key *key) |
1330 | { |
1331 | security_ops->key_free(key); |
1332 | } |
1333 | |
1334 | int security_key_permission(key_ref_t key_ref, |
1335 | const struct cred *cred, key_perm_t perm) |
1336 | { |
1337 | return security_ops->key_permission(key_ref, cred, perm); |
1338 | } |
1339 | |
1340 | int security_key_getsecurity(struct key *key, char **_buffer) |
1341 | { |
1342 | return security_ops->key_getsecurity(key, _buffer); |
1343 | } |
1344 | |
1345 | #endif /* CONFIG_KEYS */ |
1346 | |
1347 | #ifdef CONFIG_AUDIT |
1348 | |
1349 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
1350 | { |
1351 | return security_ops->audit_rule_init(field, op, rulestr, lsmrule); |
1352 | } |
1353 | |
1354 | int security_audit_rule_known(struct audit_krule *krule) |
1355 | { |
1356 | return security_ops->audit_rule_known(krule); |
1357 | } |
1358 | |
1359 | void security_audit_rule_free(void *lsmrule) |
1360 | { |
1361 | security_ops->audit_rule_free(lsmrule); |
1362 | } |
1363 | |
1364 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
1365 | struct audit_context *actx) |
1366 | { |
1367 | return security_ops->audit_rule_match(secid, field, op, lsmrule, actx); |
1368 | } |
1369 | |
1370 | #endif /* CONFIG_AUDIT */ |
1371 |
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