security: remove unused security_sysctl hook
[linux-3.10.git] / security / security.c
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/ima.h>
20
21 /* Boot-time LSM user choice */
22 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23         CONFIG_DEFAULT_SECURITY;
24
25 /* things that live in capability.c */
26 extern void __init security_fixup_ops(struct security_operations *ops);
27
28 static struct security_operations *security_ops;
29 static struct security_operations default_security_ops = {
30         .name   = "default",
31 };
32
33 static inline int __init verify(struct security_operations *ops)
34 {
35         /* verify the security_operations structure exists */
36         if (!ops)
37                 return -EINVAL;
38         security_fixup_ops(ops);
39         return 0;
40 }
41
42 static void __init do_security_initcalls(void)
43 {
44         initcall_t *call;
45         call = __security_initcall_start;
46         while (call < __security_initcall_end) {
47                 (*call) ();
48                 call++;
49         }
50 }
51
52 /**
53  * security_init - initializes the security framework
54  *
55  * This should be called early in the kernel initialization sequence.
56  */
57 int __init security_init(void)
58 {
59         printk(KERN_INFO "Security Framework initialized\n");
60
61         security_fixup_ops(&default_security_ops);
62         security_ops = &default_security_ops;
63         do_security_initcalls();
64
65         return 0;
66 }
67
68 void reset_security_ops(void)
69 {
70         security_ops = &default_security_ops;
71 }
72
73 /* Save user chosen LSM */
74 static int __init choose_lsm(char *str)
75 {
76         strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
77         return 1;
78 }
79 __setup("security=", choose_lsm);
80
81 /**
82  * security_module_enable - Load given security module on boot ?
83  * @ops: a pointer to the struct security_operations that is to be checked.
84  *
85  * Each LSM must pass this method before registering its own operations
86  * to avoid security registration races. This method may also be used
87  * to check if your LSM is currently loaded during kernel initialization.
88  *
89  * Return true if:
90  *      -The passed LSM is the one chosen by user at boot time,
91  *      -or the passed LSM is configured as the default and the user did not
92  *       choose an alternate LSM at boot time.
93  * Otherwise, return false.
94  */
95 int __init security_module_enable(struct security_operations *ops)
96 {
97         return !strcmp(ops->name, chosen_lsm);
98 }
99
100 /**
101  * register_security - registers a security framework with the kernel
102  * @ops: a pointer to the struct security_options that is to be registered
103  *
104  * This function allows a security module to register itself with the
105  * kernel security subsystem.  Some rudimentary checking is done on the @ops
106  * value passed to this function. You'll need to check first if your LSM
107  * is allowed to register its @ops by calling security_module_enable(@ops).
108  *
109  * If there is already a security module registered with the kernel,
110  * an error will be returned.  Otherwise %0 is returned on success.
111  */
112 int __init register_security(struct security_operations *ops)
113 {
114         if (verify(ops)) {
115                 printk(KERN_DEBUG "%s could not verify "
116                        "security_operations structure.\n", __func__);
117                 return -EINVAL;
118         }
119
120         if (security_ops != &default_security_ops)
121                 return -EAGAIN;
122
123         security_ops = ops;
124
125         return 0;
126 }
127
128 /* Security operations */
129
130 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
131 {
132         return security_ops->ptrace_access_check(child, mode);
133 }
134
135 int security_ptrace_traceme(struct task_struct *parent)
136 {
137         return security_ops->ptrace_traceme(parent);
138 }
139
140 int security_capget(struct task_struct *target,
141                      kernel_cap_t *effective,
142                      kernel_cap_t *inheritable,
143                      kernel_cap_t *permitted)
144 {
145         return security_ops->capget(target, effective, inheritable, permitted);
146 }
147
148 int security_capset(struct cred *new, const struct cred *old,
149                     const kernel_cap_t *effective,
150                     const kernel_cap_t *inheritable,
151                     const kernel_cap_t *permitted)
152 {
153         return security_ops->capset(new, old,
154                                     effective, inheritable, permitted);
155 }
156
157 int security_capable(int cap)
158 {
159         return security_ops->capable(current, current_cred(), cap,
160                                      SECURITY_CAP_AUDIT);
161 }
162
163 int security_real_capable(struct task_struct *tsk, int cap)
164 {
165         const struct cred *cred;
166         int ret;
167
168         cred = get_task_cred(tsk);
169         ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
170         put_cred(cred);
171         return ret;
172 }
173
174 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
175 {
176         const struct cred *cred;
177         int ret;
178
179         cred = get_task_cred(tsk);
180         ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
181         put_cred(cred);
182         return ret;
183 }
184
185 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
186 {
187         return security_ops->quotactl(cmds, type, id, sb);
188 }
189
190 int security_quota_on(struct dentry *dentry)
191 {
192         return security_ops->quota_on(dentry);
193 }
194
195 int security_syslog(int type)
196 {
197         return security_ops->syslog(type);
198 }
199
200 int security_settime(struct timespec *ts, struct timezone *tz)
201 {
202         return security_ops->settime(ts, tz);
203 }
204
205 int security_vm_enough_memory(long pages)
206 {
207         WARN_ON(current->mm == NULL);
208         return security_ops->vm_enough_memory(current->mm, pages);
209 }
210
211 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
212 {
213         WARN_ON(mm == NULL);
214         return security_ops->vm_enough_memory(mm, pages);
215 }
216
217 int security_vm_enough_memory_kern(long pages)
218 {
219         /* If current->mm is a kernel thread then we will pass NULL,
220            for this specific case that is fine */
221         return security_ops->vm_enough_memory(current->mm, pages);
222 }
223
224 int security_bprm_set_creds(struct linux_binprm *bprm)
225 {
226         return security_ops->bprm_set_creds(bprm);
227 }
228
229 int security_bprm_check(struct linux_binprm *bprm)
230 {
231         int ret;
232
233         ret = security_ops->bprm_check_security(bprm);
234         if (ret)
235                 return ret;
236         return ima_bprm_check(bprm);
237 }
238
239 void security_bprm_committing_creds(struct linux_binprm *bprm)
240 {
241         security_ops->bprm_committing_creds(bprm);
242 }
243
244 void security_bprm_committed_creds(struct linux_binprm *bprm)
245 {
246         security_ops->bprm_committed_creds(bprm);
247 }
248
249 int security_bprm_secureexec(struct linux_binprm *bprm)
250 {
251         return security_ops->bprm_secureexec(bprm);
252 }
253
254 int security_sb_alloc(struct super_block *sb)
255 {
256         return security_ops->sb_alloc_security(sb);
257 }
258
259 void security_sb_free(struct super_block *sb)
260 {
261         security_ops->sb_free_security(sb);
262 }
263
264 int security_sb_copy_data(char *orig, char *copy)
265 {
266         return security_ops->sb_copy_data(orig, copy);
267 }
268 EXPORT_SYMBOL(security_sb_copy_data);
269
270 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
271 {
272         return security_ops->sb_kern_mount(sb, flags, data);
273 }
274
275 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
276 {
277         return security_ops->sb_show_options(m, sb);
278 }
279
280 int security_sb_statfs(struct dentry *dentry)
281 {
282         return security_ops->sb_statfs(dentry);
283 }
284
285 int security_sb_mount(char *dev_name, struct path *path,
286                        char *type, unsigned long flags, void *data)
287 {
288         return security_ops->sb_mount(dev_name, path, type, flags, data);
289 }
290
291 int security_sb_umount(struct vfsmount *mnt, int flags)
292 {
293         return security_ops->sb_umount(mnt, flags);
294 }
295
296 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
297 {
298         return security_ops->sb_pivotroot(old_path, new_path);
299 }
300
301 int security_sb_set_mnt_opts(struct super_block *sb,
302                                 struct security_mnt_opts *opts)
303 {
304         return security_ops->sb_set_mnt_opts(sb, opts);
305 }
306 EXPORT_SYMBOL(security_sb_set_mnt_opts);
307
308 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
309                                 struct super_block *newsb)
310 {
311         security_ops->sb_clone_mnt_opts(oldsb, newsb);
312 }
313 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
314
315 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
316 {
317         return security_ops->sb_parse_opts_str(options, opts);
318 }
319 EXPORT_SYMBOL(security_sb_parse_opts_str);
320
321 int security_inode_alloc(struct inode *inode)
322 {
323         inode->i_security = NULL;
324         return security_ops->inode_alloc_security(inode);
325 }
326
327 void security_inode_free(struct inode *inode)
328 {
329         ima_inode_free(inode);
330         security_ops->inode_free_security(inode);
331 }
332
333 int security_inode_init_security(struct inode *inode, struct inode *dir,
334                                  const struct qstr *qstr, char **name,
335                                  void **value, size_t *len)
336 {
337         if (unlikely(IS_PRIVATE(inode)))
338                 return -EOPNOTSUPP;
339         return security_ops->inode_init_security(inode, dir, qstr, name, value,
340                                                  len);
341 }
342 EXPORT_SYMBOL(security_inode_init_security);
343
344 #ifdef CONFIG_SECURITY_PATH
345 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
346                         unsigned int dev)
347 {
348         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
349                 return 0;
350         return security_ops->path_mknod(dir, dentry, mode, dev);
351 }
352 EXPORT_SYMBOL(security_path_mknod);
353
354 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
355 {
356         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
357                 return 0;
358         return security_ops->path_mkdir(dir, dentry, mode);
359 }
360 EXPORT_SYMBOL(security_path_mkdir);
361
362 int security_path_rmdir(struct path *dir, struct dentry *dentry)
363 {
364         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
365                 return 0;
366         return security_ops->path_rmdir(dir, dentry);
367 }
368
369 int security_path_unlink(struct path *dir, struct dentry *dentry)
370 {
371         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
372                 return 0;
373         return security_ops->path_unlink(dir, dentry);
374 }
375 EXPORT_SYMBOL(security_path_unlink);
376
377 int security_path_symlink(struct path *dir, struct dentry *dentry,
378                           const char *old_name)
379 {
380         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
381                 return 0;
382         return security_ops->path_symlink(dir, dentry, old_name);
383 }
384
385 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
386                        struct dentry *new_dentry)
387 {
388         if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
389                 return 0;
390         return security_ops->path_link(old_dentry, new_dir, new_dentry);
391 }
392
393 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
394                          struct path *new_dir, struct dentry *new_dentry)
395 {
396         if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
397                      (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
398                 return 0;
399         return security_ops->path_rename(old_dir, old_dentry, new_dir,
400                                          new_dentry);
401 }
402 EXPORT_SYMBOL(security_path_rename);
403
404 int security_path_truncate(struct path *path)
405 {
406         if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
407                 return 0;
408         return security_ops->path_truncate(path);
409 }
410
411 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
412                         mode_t mode)
413 {
414         if (unlikely(IS_PRIVATE(dentry->d_inode)))
415                 return 0;
416         return security_ops->path_chmod(dentry, mnt, mode);
417 }
418
419 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
420 {
421         if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
422                 return 0;
423         return security_ops->path_chown(path, uid, gid);
424 }
425
426 int security_path_chroot(struct path *path)
427 {
428         return security_ops->path_chroot(path);
429 }
430 #endif
431
432 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
433 {
434         if (unlikely(IS_PRIVATE(dir)))
435                 return 0;
436         return security_ops->inode_create(dir, dentry, mode);
437 }
438 EXPORT_SYMBOL_GPL(security_inode_create);
439
440 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
441                          struct dentry *new_dentry)
442 {
443         if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
444                 return 0;
445         return security_ops->inode_link(old_dentry, dir, new_dentry);
446 }
447
448 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
449 {
450         if (unlikely(IS_PRIVATE(dentry->d_inode)))
451                 return 0;
452         return security_ops->inode_unlink(dir, dentry);
453 }
454
455 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
456                             const char *old_name)
457 {
458         if (unlikely(IS_PRIVATE(dir)))
459                 return 0;
460         return security_ops->inode_symlink(dir, dentry, old_name);
461 }
462
463 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
464 {
465         if (unlikely(IS_PRIVATE(dir)))
466                 return 0;
467         return security_ops->inode_mkdir(dir, dentry, mode);
468 }
469 EXPORT_SYMBOL_GPL(security_inode_mkdir);
470
471 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
472 {
473         if (unlikely(IS_PRIVATE(dentry->d_inode)))
474                 return 0;
475         return security_ops->inode_rmdir(dir, dentry);
476 }
477
478 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
479 {
480         if (unlikely(IS_PRIVATE(dir)))
481                 return 0;
482         return security_ops->inode_mknod(dir, dentry, mode, dev);
483 }
484
485 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
486                            struct inode *new_dir, struct dentry *new_dentry)
487 {
488         if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
489             (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
490                 return 0;
491         return security_ops->inode_rename(old_dir, old_dentry,
492                                            new_dir, new_dentry);
493 }
494
495 int security_inode_readlink(struct dentry *dentry)
496 {
497         if (unlikely(IS_PRIVATE(dentry->d_inode)))
498                 return 0;
499         return security_ops->inode_readlink(dentry);
500 }
501
502 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
503 {
504         if (unlikely(IS_PRIVATE(dentry->d_inode)))
505                 return 0;
506         return security_ops->inode_follow_link(dentry, nd);
507 }
508
509 int security_inode_permission(struct inode *inode, int mask)
510 {
511         if (unlikely(IS_PRIVATE(inode)))
512                 return 0;
513         return security_ops->inode_permission(inode, mask);
514 }
515
516 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
517 {
518         if (unlikely(IS_PRIVATE(inode)))
519                 return 0;
520         if (flags)
521                 return -ECHILD;
522         return security_ops->inode_permission(inode, MAY_EXEC);
523 }
524
525 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
526 {
527         if (unlikely(IS_PRIVATE(dentry->d_inode)))
528                 return 0;
529         return security_ops->inode_setattr(dentry, attr);
530 }
531 EXPORT_SYMBOL_GPL(security_inode_setattr);
532
533 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
534 {
535         if (unlikely(IS_PRIVATE(dentry->d_inode)))
536                 return 0;
537         return security_ops->inode_getattr(mnt, dentry);
538 }
539
540 int security_inode_setxattr(struct dentry *dentry, const char *name,
541                             const void *value, size_t size, int flags)
542 {
543         if (unlikely(IS_PRIVATE(dentry->d_inode)))
544                 return 0;
545         return security_ops->inode_setxattr(dentry, name, value, size, flags);
546 }
547
548 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
549                                   const void *value, size_t size, int flags)
550 {
551         if (unlikely(IS_PRIVATE(dentry->d_inode)))
552                 return;
553         security_ops->inode_post_setxattr(dentry, name, value, size, flags);
554 }
555
556 int security_inode_getxattr(struct dentry *dentry, const char *name)
557 {
558         if (unlikely(IS_PRIVATE(dentry->d_inode)))
559                 return 0;
560         return security_ops->inode_getxattr(dentry, name);
561 }
562
563 int security_inode_listxattr(struct dentry *dentry)
564 {
565         if (unlikely(IS_PRIVATE(dentry->d_inode)))
566                 return 0;
567         return security_ops->inode_listxattr(dentry);
568 }
569
570 int security_inode_removexattr(struct dentry *dentry, const char *name)
571 {
572         if (unlikely(IS_PRIVATE(dentry->d_inode)))
573                 return 0;
574         return security_ops->inode_removexattr(dentry, name);
575 }
576
577 int security_inode_need_killpriv(struct dentry *dentry)
578 {
579         return security_ops->inode_need_killpriv(dentry);
580 }
581
582 int security_inode_killpriv(struct dentry *dentry)
583 {
584         return security_ops->inode_killpriv(dentry);
585 }
586
587 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
588 {
589         if (unlikely(IS_PRIVATE(inode)))
590                 return -EOPNOTSUPP;
591         return security_ops->inode_getsecurity(inode, name, buffer, alloc);
592 }
593
594 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
595 {
596         if (unlikely(IS_PRIVATE(inode)))
597                 return -EOPNOTSUPP;
598         return security_ops->inode_setsecurity(inode, name, value, size, flags);
599 }
600
601 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
602 {
603         if (unlikely(IS_PRIVATE(inode)))
604                 return 0;
605         return security_ops->inode_listsecurity(inode, buffer, buffer_size);
606 }
607
608 void security_inode_getsecid(const struct inode *inode, u32 *secid)
609 {
610         security_ops->inode_getsecid(inode, secid);
611 }
612
613 int security_file_permission(struct file *file, int mask)
614 {
615         int ret;
616
617         ret = security_ops->file_permission(file, mask);
618         if (ret)
619                 return ret;
620
621         return fsnotify_perm(file, mask);
622 }
623
624 int security_file_alloc(struct file *file)
625 {
626         return security_ops->file_alloc_security(file);
627 }
628
629 void security_file_free(struct file *file)
630 {
631         security_ops->file_free_security(file);
632 }
633
634 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
635 {
636         return security_ops->file_ioctl(file, cmd, arg);
637 }
638
639 int security_file_mmap(struct file *file, unsigned long reqprot,
640                         unsigned long prot, unsigned long flags,
641                         unsigned long addr, unsigned long addr_only)
642 {
643         int ret;
644
645         ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
646         if (ret)
647                 return ret;
648         return ima_file_mmap(file, prot);
649 }
650
651 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
652                             unsigned long prot)
653 {
654         return security_ops->file_mprotect(vma, reqprot, prot);
655 }
656
657 int security_file_lock(struct file *file, unsigned int cmd)
658 {
659         return security_ops->file_lock(file, cmd);
660 }
661
662 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
663 {
664         return security_ops->file_fcntl(file, cmd, arg);
665 }
666
667 int security_file_set_fowner(struct file *file)
668 {
669         return security_ops->file_set_fowner(file);
670 }
671
672 int security_file_send_sigiotask(struct task_struct *tsk,
673                                   struct fown_struct *fown, int sig)
674 {
675         return security_ops->file_send_sigiotask(tsk, fown, sig);
676 }
677
678 int security_file_receive(struct file *file)
679 {
680         return security_ops->file_receive(file);
681 }
682
683 int security_dentry_open(struct file *file, const struct cred *cred)
684 {
685         int ret;
686
687         ret = security_ops->dentry_open(file, cred);
688         if (ret)
689                 return ret;
690
691         return fsnotify_perm(file, MAY_OPEN);
692 }
693
694 int security_task_create(unsigned long clone_flags)
695 {
696         return security_ops->task_create(clone_flags);
697 }
698
699 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
700 {
701         return security_ops->cred_alloc_blank(cred, gfp);
702 }
703
704 void security_cred_free(struct cred *cred)
705 {
706         security_ops->cred_free(cred);
707 }
708
709 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
710 {
711         return security_ops->cred_prepare(new, old, gfp);
712 }
713
714 void security_transfer_creds(struct cred *new, const struct cred *old)
715 {
716         security_ops->cred_transfer(new, old);
717 }
718
719 int security_kernel_act_as(struct cred *new, u32 secid)
720 {
721         return security_ops->kernel_act_as(new, secid);
722 }
723
724 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
725 {
726         return security_ops->kernel_create_files_as(new, inode);
727 }
728
729 int security_kernel_module_request(char *kmod_name)
730 {
731         return security_ops->kernel_module_request(kmod_name);
732 }
733
734 int security_task_fix_setuid(struct cred *new, const struct cred *old,
735                              int flags)
736 {
737         return security_ops->task_fix_setuid(new, old, flags);
738 }
739
740 int security_task_setpgid(struct task_struct *p, pid_t pgid)
741 {
742         return security_ops->task_setpgid(p, pgid);
743 }
744
745 int security_task_getpgid(struct task_struct *p)
746 {
747         return security_ops->task_getpgid(p);
748 }
749
750 int security_task_getsid(struct task_struct *p)
751 {
752         return security_ops->task_getsid(p);
753 }
754
755 void security_task_getsecid(struct task_struct *p, u32 *secid)
756 {
757         security_ops->task_getsecid(p, secid);
758 }
759 EXPORT_SYMBOL(security_task_getsecid);
760
761 int security_task_setnice(struct task_struct *p, int nice)
762 {
763         return security_ops->task_setnice(p, nice);
764 }
765
766 int security_task_setioprio(struct task_struct *p, int ioprio)
767 {
768         return security_ops->task_setioprio(p, ioprio);
769 }
770
771 int security_task_getioprio(struct task_struct *p)
772 {
773         return security_ops->task_getioprio(p);
774 }
775
776 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
777                 struct rlimit *new_rlim)
778 {
779         return security_ops->task_setrlimit(p, resource, new_rlim);
780 }
781
782 int security_task_setscheduler(struct task_struct *p)
783 {
784         return security_ops->task_setscheduler(p);
785 }
786
787 int security_task_getscheduler(struct task_struct *p)
788 {
789         return security_ops->task_getscheduler(p);
790 }
791
792 int security_task_movememory(struct task_struct *p)
793 {
794         return security_ops->task_movememory(p);
795 }
796
797 int security_task_kill(struct task_struct *p, struct siginfo *info,
798                         int sig, u32 secid)
799 {
800         return security_ops->task_kill(p, info, sig, secid);
801 }
802
803 int security_task_wait(struct task_struct *p)
804 {
805         return security_ops->task_wait(p);
806 }
807
808 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
809                          unsigned long arg4, unsigned long arg5)
810 {
811         return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
812 }
813
814 void security_task_to_inode(struct task_struct *p, struct inode *inode)
815 {
816         security_ops->task_to_inode(p, inode);
817 }
818
819 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
820 {
821         return security_ops->ipc_permission(ipcp, flag);
822 }
823
824 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
825 {
826         security_ops->ipc_getsecid(ipcp, secid);
827 }
828
829 int security_msg_msg_alloc(struct msg_msg *msg)
830 {
831         return security_ops->msg_msg_alloc_security(msg);
832 }
833
834 void security_msg_msg_free(struct msg_msg *msg)
835 {
836         security_ops->msg_msg_free_security(msg);
837 }
838
839 int security_msg_queue_alloc(struct msg_queue *msq)
840 {
841         return security_ops->msg_queue_alloc_security(msq);
842 }
843
844 void security_msg_queue_free(struct msg_queue *msq)
845 {
846         security_ops->msg_queue_free_security(msq);
847 }
848
849 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
850 {
851         return security_ops->msg_queue_associate(msq, msqflg);
852 }
853
854 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
855 {
856         return security_ops->msg_queue_msgctl(msq, cmd);
857 }
858
859 int security_msg_queue_msgsnd(struct msg_queue *msq,
860                                struct msg_msg *msg, int msqflg)
861 {
862         return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
863 }
864
865 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
866                                struct task_struct *target, long type, int mode)
867 {
868         return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
869 }
870
871 int security_shm_alloc(struct shmid_kernel *shp)
872 {
873         return security_ops->shm_alloc_security(shp);
874 }
875
876 void security_shm_free(struct shmid_kernel *shp)
877 {
878         security_ops->shm_free_security(shp);
879 }
880
881 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
882 {
883         return security_ops->shm_associate(shp, shmflg);
884 }
885
886 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
887 {
888         return security_ops->shm_shmctl(shp, cmd);
889 }
890
891 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
892 {
893         return security_ops->shm_shmat(shp, shmaddr, shmflg);
894 }
895
896 int security_sem_alloc(struct sem_array *sma)
897 {
898         return security_ops->sem_alloc_security(sma);
899 }
900
901 void security_sem_free(struct sem_array *sma)
902 {
903         security_ops->sem_free_security(sma);
904 }
905
906 int security_sem_associate(struct sem_array *sma, int semflg)
907 {
908         return security_ops->sem_associate(sma, semflg);
909 }
910
911 int security_sem_semctl(struct sem_array *sma, int cmd)
912 {
913         return security_ops->sem_semctl(sma, cmd);
914 }
915
916 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
917                         unsigned nsops, int alter)
918 {
919         return security_ops->sem_semop(sma, sops, nsops, alter);
920 }
921
922 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
923 {
924         if (unlikely(inode && IS_PRIVATE(inode)))
925                 return;
926         security_ops->d_instantiate(dentry, inode);
927 }
928 EXPORT_SYMBOL(security_d_instantiate);
929
930 int security_getprocattr(struct task_struct *p, char *name, char **value)
931 {
932         return security_ops->getprocattr(p, name, value);
933 }
934
935 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
936 {
937         return security_ops->setprocattr(p, name, value, size);
938 }
939
940 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
941 {
942         return security_ops->netlink_send(sk, skb);
943 }
944
945 int security_netlink_recv(struct sk_buff *skb, int cap)
946 {
947         return security_ops->netlink_recv(skb, cap);
948 }
949 EXPORT_SYMBOL(security_netlink_recv);
950
951 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
952 {
953         return security_ops->secid_to_secctx(secid, secdata, seclen);
954 }
955 EXPORT_SYMBOL(security_secid_to_secctx);
956
957 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
958 {
959         return security_ops->secctx_to_secid(secdata, seclen, secid);
960 }
961 EXPORT_SYMBOL(security_secctx_to_secid);
962
963 void security_release_secctx(char *secdata, u32 seclen)
964 {
965         security_ops->release_secctx(secdata, seclen);
966 }
967 EXPORT_SYMBOL(security_release_secctx);
968
969 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
970 {
971         return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
972 }
973 EXPORT_SYMBOL(security_inode_notifysecctx);
974
975 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
976 {
977         return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
978 }
979 EXPORT_SYMBOL(security_inode_setsecctx);
980
981 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
982 {
983         return security_ops->inode_getsecctx(inode, ctx, ctxlen);
984 }
985 EXPORT_SYMBOL(security_inode_getsecctx);
986
987 #ifdef CONFIG_SECURITY_NETWORK
988
989 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
990 {
991         return security_ops->unix_stream_connect(sock, other, newsk);
992 }
993 EXPORT_SYMBOL(security_unix_stream_connect);
994
995 int security_unix_may_send(struct socket *sock,  struct socket *other)
996 {
997         return security_ops->unix_may_send(sock, other);
998 }
999 EXPORT_SYMBOL(security_unix_may_send);
1000
1001 int security_socket_create(int family, int type, int protocol, int kern)
1002 {
1003         return security_ops->socket_create(family, type, protocol, kern);
1004 }
1005
1006 int security_socket_post_create(struct socket *sock, int family,
1007                                 int type, int protocol, int kern)
1008 {
1009         return security_ops->socket_post_create(sock, family, type,
1010                                                 protocol, kern);
1011 }
1012
1013 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1014 {
1015         return security_ops->socket_bind(sock, address, addrlen);
1016 }
1017
1018 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1019 {
1020         return security_ops->socket_connect(sock, address, addrlen);
1021 }
1022
1023 int security_socket_listen(struct socket *sock, int backlog)
1024 {
1025         return security_ops->socket_listen(sock, backlog);
1026 }
1027
1028 int security_socket_accept(struct socket *sock, struct socket *newsock)
1029 {
1030         return security_ops->socket_accept(sock, newsock);
1031 }
1032
1033 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1034 {
1035         return security_ops->socket_sendmsg(sock, msg, size);
1036 }
1037
1038 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1039                             int size, int flags)
1040 {
1041         return security_ops->socket_recvmsg(sock, msg, size, flags);
1042 }
1043
1044 int security_socket_getsockname(struct socket *sock)
1045 {
1046         return security_ops->socket_getsockname(sock);
1047 }
1048
1049 int security_socket_getpeername(struct socket *sock)
1050 {
1051         return security_ops->socket_getpeername(sock);
1052 }
1053
1054 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1055 {
1056         return security_ops->socket_getsockopt(sock, level, optname);
1057 }
1058
1059 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1060 {
1061         return security_ops->socket_setsockopt(sock, level, optname);
1062 }
1063
1064 int security_socket_shutdown(struct socket *sock, int how)
1065 {
1066         return security_ops->socket_shutdown(sock, how);
1067 }
1068
1069 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1070 {
1071         return security_ops->socket_sock_rcv_skb(sk, skb);
1072 }
1073 EXPORT_SYMBOL(security_sock_rcv_skb);
1074
1075 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1076                                       int __user *optlen, unsigned len)
1077 {
1078         return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1079 }
1080
1081 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1082 {
1083         return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1084 }
1085 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1086
1087 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1088 {
1089         return security_ops->sk_alloc_security(sk, family, priority);
1090 }
1091
1092 void security_sk_free(struct sock *sk)
1093 {
1094         security_ops->sk_free_security(sk);
1095 }
1096
1097 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1098 {
1099         security_ops->sk_clone_security(sk, newsk);
1100 }
1101
1102 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1103 {
1104         security_ops->sk_getsecid(sk, &fl->secid);
1105 }
1106 EXPORT_SYMBOL(security_sk_classify_flow);
1107
1108 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1109 {
1110         security_ops->req_classify_flow(req, fl);
1111 }
1112 EXPORT_SYMBOL(security_req_classify_flow);
1113
1114 void security_sock_graft(struct sock *sk, struct socket *parent)
1115 {
1116         security_ops->sock_graft(sk, parent);
1117 }
1118 EXPORT_SYMBOL(security_sock_graft);
1119
1120 int security_inet_conn_request(struct sock *sk,
1121                         struct sk_buff *skb, struct request_sock *req)
1122 {
1123         return security_ops->inet_conn_request(sk, skb, req);
1124 }
1125 EXPORT_SYMBOL(security_inet_conn_request);
1126
1127 void security_inet_csk_clone(struct sock *newsk,
1128                         const struct request_sock *req)
1129 {
1130         security_ops->inet_csk_clone(newsk, req);
1131 }
1132
1133 void security_inet_conn_established(struct sock *sk,
1134                         struct sk_buff *skb)
1135 {
1136         security_ops->inet_conn_established(sk, skb);
1137 }
1138
1139 int security_secmark_relabel_packet(u32 secid)
1140 {
1141         return security_ops->secmark_relabel_packet(secid);
1142 }
1143 EXPORT_SYMBOL(security_secmark_relabel_packet);
1144
1145 void security_secmark_refcount_inc(void)
1146 {
1147         security_ops->secmark_refcount_inc();
1148 }
1149 EXPORT_SYMBOL(security_secmark_refcount_inc);
1150
1151 void security_secmark_refcount_dec(void)
1152 {
1153         security_ops->secmark_refcount_dec();
1154 }
1155 EXPORT_SYMBOL(security_secmark_refcount_dec);
1156
1157 int security_tun_dev_create(void)
1158 {
1159         return security_ops->tun_dev_create();
1160 }
1161 EXPORT_SYMBOL(security_tun_dev_create);
1162
1163 void security_tun_dev_post_create(struct sock *sk)
1164 {
1165         return security_ops->tun_dev_post_create(sk);
1166 }
1167 EXPORT_SYMBOL(security_tun_dev_post_create);
1168
1169 int security_tun_dev_attach(struct sock *sk)
1170 {
1171         return security_ops->tun_dev_attach(sk);
1172 }
1173 EXPORT_SYMBOL(security_tun_dev_attach);
1174
1175 #endif  /* CONFIG_SECURITY_NETWORK */
1176
1177 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1178
1179 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1180 {
1181         return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1182 }
1183 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1184
1185 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1186                               struct xfrm_sec_ctx **new_ctxp)
1187 {
1188         return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1189 }
1190
1191 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1192 {
1193         security_ops->xfrm_policy_free_security(ctx);
1194 }
1195 EXPORT_SYMBOL(security_xfrm_policy_free);
1196
1197 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1198 {
1199         return security_ops->xfrm_policy_delete_security(ctx);
1200 }
1201
1202 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1203 {
1204         return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1205 }
1206 EXPORT_SYMBOL(security_xfrm_state_alloc);
1207
1208 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1209                                       struct xfrm_sec_ctx *polsec, u32 secid)
1210 {
1211         if (!polsec)
1212                 return 0;
1213         /*
1214          * We want the context to be taken from secid which is usually
1215          * from the sock.
1216          */
1217         return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1218 }
1219
1220 int security_xfrm_state_delete(struct xfrm_state *x)
1221 {
1222         return security_ops->xfrm_state_delete_security(x);
1223 }
1224 EXPORT_SYMBOL(security_xfrm_state_delete);
1225
1226 void security_xfrm_state_free(struct xfrm_state *x)
1227 {
1228         security_ops->xfrm_state_free_security(x);
1229 }
1230
1231 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1232 {
1233         return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1234 }
1235
1236 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1237                                        struct xfrm_policy *xp, struct flowi *fl)
1238 {
1239         return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1240 }
1241
1242 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1243 {
1244         return security_ops->xfrm_decode_session(skb, secid, 1);
1245 }
1246
1247 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1248 {
1249         int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1250
1251         BUG_ON(rc);
1252 }
1253 EXPORT_SYMBOL(security_skb_classify_flow);
1254
1255 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1256
1257 #ifdef CONFIG_KEYS
1258
1259 int security_key_alloc(struct key *key, const struct cred *cred,
1260                        unsigned long flags)
1261 {
1262         return security_ops->key_alloc(key, cred, flags);
1263 }
1264
1265 void security_key_free(struct key *key)
1266 {
1267         security_ops->key_free(key);
1268 }
1269
1270 int security_key_permission(key_ref_t key_ref,
1271                             const struct cred *cred, key_perm_t perm)
1272 {
1273         return security_ops->key_permission(key_ref, cred, perm);
1274 }
1275
1276 int security_key_getsecurity(struct key *key, char **_buffer)
1277 {
1278         return security_ops->key_getsecurity(key, _buffer);
1279 }
1280
1281 #endif  /* CONFIG_KEYS */
1282
1283 #ifdef CONFIG_AUDIT
1284
1285 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1286 {
1287         return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1288 }
1289
1290 int security_audit_rule_known(struct audit_krule *krule)
1291 {
1292         return security_ops->audit_rule_known(krule);
1293 }
1294
1295 void security_audit_rule_free(void *lsmrule)
1296 {
1297         security_ops->audit_rule_free(lsmrule);
1298 }
1299
1300 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1301                               struct audit_context *actx)
1302 {
1303         return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1304 }
1305
1306 #endif /* CONFIG_AUDIT */