security: remove dead hook key_session_to_parent
[linux-2.6.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 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 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  *      -or there is no default LSM set and the user didn't specify a
94  *       specific LSM and we're the first to ask for registration permission,
95  *      -or the passed LSM is currently loaded.
96  * Otherwise, return false.
97  */
98 int __init security_module_enable(struct security_operations *ops)
99 {
100         if (!*chosen_lsm)
101                 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
102         else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
103                 return 0;
104
105         return 1;
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         return security_ops->ptrace_access_check(child, mode);
141 }
142
143 int security_ptrace_traceme(struct task_struct *parent)
144 {
145         return security_ops->ptrace_traceme(parent);
146 }
147
148 int security_capget(struct task_struct *target,
149                      kernel_cap_t *effective,
150                      kernel_cap_t *inheritable,
151                      kernel_cap_t *permitted)
152 {
153         return security_ops->capget(target, effective, inheritable, permitted);
154 }
155
156 int security_capset(struct cred *new, const struct cred *old,
157                     const kernel_cap_t *effective,
158                     const kernel_cap_t *inheritable,
159                     const kernel_cap_t *permitted)
160 {
161         return security_ops->capset(new, old,
162                                     effective, inheritable, permitted);
163 }
164
165 int security_capable(int cap)
166 {
167         return security_ops->capable(current, current_cred(), cap,
168                                      SECURITY_CAP_AUDIT);
169 }
170
171 int security_real_capable(struct task_struct *tsk, int cap)
172 {
173         const struct cred *cred;
174         int ret;
175
176         cred = get_task_cred(tsk);
177         ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
178         put_cred(cred);
179         return ret;
180 }
181
182 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
183 {
184         const struct cred *cred;
185         int ret;
186
187         cred = get_task_cred(tsk);
188         ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
189         put_cred(cred);
190         return ret;
191 }
192
193 int security_acct(struct file *file)
194 {
195         return security_ops->acct(file);
196 }
197
198 int security_sysctl(struct ctl_table *table, int op)
199 {
200         return security_ops->sysctl(table, op);
201 }
202
203 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
204 {
205         return security_ops->quotactl(cmds, type, id, sb);
206 }
207
208 int security_quota_on(struct dentry *dentry)
209 {
210         return security_ops->quota_on(dentry);
211 }
212
213 int security_syslog(int type, bool from_file)
214 {
215         return security_ops->syslog(type, from_file);
216 }
217
218 int security_settime(struct timespec *ts, struct timezone *tz)
219 {
220         return security_ops->settime(ts, tz);
221 }
222
223 int security_vm_enough_memory(long pages)
224 {
225         WARN_ON(current->mm == NULL);
226         return security_ops->vm_enough_memory(current->mm, pages);
227 }
228
229 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
230 {
231         WARN_ON(mm == NULL);
232         return security_ops->vm_enough_memory(mm, pages);
233 }
234
235 int security_vm_enough_memory_kern(long pages)
236 {
237         /* If current->mm is a kernel thread then we will pass NULL,
238            for this specific case that is fine */
239         return security_ops->vm_enough_memory(current->mm, pages);
240 }
241
242 int security_bprm_set_creds(struct linux_binprm *bprm)
243 {
244         return security_ops->bprm_set_creds(bprm);
245 }
246
247 int security_bprm_check(struct linux_binprm *bprm)
248 {
249         int ret;
250
251         ret = security_ops->bprm_check_security(bprm);
252         if (ret)
253                 return ret;
254         return ima_bprm_check(bprm);
255 }
256
257 void security_bprm_committing_creds(struct linux_binprm *bprm)
258 {
259         security_ops->bprm_committing_creds(bprm);
260 }
261
262 void security_bprm_committed_creds(struct linux_binprm *bprm)
263 {
264         security_ops->bprm_committed_creds(bprm);
265 }
266
267 int security_bprm_secureexec(struct linux_binprm *bprm)
268 {
269         return security_ops->bprm_secureexec(bprm);
270 }
271
272 int security_sb_alloc(struct super_block *sb)
273 {
274         return security_ops->sb_alloc_security(sb);
275 }
276
277 void security_sb_free(struct super_block *sb)
278 {
279         security_ops->sb_free_security(sb);
280 }
281
282 int security_sb_copy_data(char *orig, char *copy)
283 {
284         return security_ops->sb_copy_data(orig, copy);
285 }
286 EXPORT_SYMBOL(security_sb_copy_data);
287
288 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
289 {
290         return security_ops->sb_kern_mount(sb, flags, data);
291 }
292
293 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
294 {
295         return security_ops->sb_show_options(m, sb);
296 }
297
298 int security_sb_statfs(struct dentry *dentry)
299 {
300         return security_ops->sb_statfs(dentry);
301 }
302
303 int security_sb_mount(char *dev_name, struct path *path,
304                        char *type, unsigned long flags, void *data)
305 {
306         return security_ops->sb_mount(dev_name, path, type, flags, data);
307 }
308
309 int security_sb_umount(struct vfsmount *mnt, int flags)
310 {
311         return security_ops->sb_umount(mnt, flags);
312 }
313
314 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
315 {
316         return security_ops->sb_pivotroot(old_path, new_path);
317 }
318
319 int security_sb_set_mnt_opts(struct super_block *sb,
320                                 struct security_mnt_opts *opts)
321 {
322         return security_ops->sb_set_mnt_opts(sb, opts);
323 }
324 EXPORT_SYMBOL(security_sb_set_mnt_opts);
325
326 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
327                                 struct super_block *newsb)
328 {
329         security_ops->sb_clone_mnt_opts(oldsb, newsb);
330 }
331 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
332
333 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
334 {
335         return security_ops->sb_parse_opts_str(options, opts);
336 }
337 EXPORT_SYMBOL(security_sb_parse_opts_str);
338
339 int security_inode_alloc(struct inode *inode)
340 {
341         int ret;
342
343         inode->i_security = NULL;
344         ret =  security_ops->inode_alloc_security(inode);
345         if (ret)
346                 return ret;
347         ret = ima_inode_alloc(inode);
348         if (ret)
349                 security_inode_free(inode);
350         return ret;
351 }
352
353 void security_inode_free(struct inode *inode)
354 {
355         ima_inode_free(inode);
356         security_ops->inode_free_security(inode);
357 }
358
359 int security_inode_init_security(struct inode *inode, struct inode *dir,
360                                   char **name, void **value, size_t *len)
361 {
362         if (unlikely(IS_PRIVATE(inode)))
363                 return -EOPNOTSUPP;
364         return security_ops->inode_init_security(inode, dir, name, value, len);
365 }
366 EXPORT_SYMBOL(security_inode_init_security);
367
368 #ifdef CONFIG_SECURITY_PATH
369 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
370                         unsigned int dev)
371 {
372         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
373                 return 0;
374         return security_ops->path_mknod(dir, dentry, mode, dev);
375 }
376 EXPORT_SYMBOL(security_path_mknod);
377
378 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
379 {
380         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
381                 return 0;
382         return security_ops->path_mkdir(dir, dentry, mode);
383 }
384
385 int security_path_rmdir(struct path *dir, struct dentry *dentry)
386 {
387         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
388                 return 0;
389         return security_ops->path_rmdir(dir, dentry);
390 }
391
392 int security_path_unlink(struct path *dir, struct dentry *dentry)
393 {
394         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
395                 return 0;
396         return security_ops->path_unlink(dir, dentry);
397 }
398
399 int security_path_symlink(struct path *dir, struct dentry *dentry,
400                           const char *old_name)
401 {
402         if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
403                 return 0;
404         return security_ops->path_symlink(dir, dentry, old_name);
405 }
406
407 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
408                        struct dentry *new_dentry)
409 {
410         if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
411                 return 0;
412         return security_ops->path_link(old_dentry, new_dir, new_dentry);
413 }
414
415 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
416                          struct path *new_dir, struct dentry *new_dentry)
417 {
418         if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
419                      (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
420                 return 0;
421         return security_ops->path_rename(old_dir, old_dentry, new_dir,
422                                          new_dentry);
423 }
424
425 int security_path_truncate(struct path *path, loff_t length,
426                            unsigned int time_attrs)
427 {
428         if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
429                 return 0;
430         return security_ops->path_truncate(path, length, time_attrs);
431 }
432
433 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
434                         mode_t mode)
435 {
436         if (unlikely(IS_PRIVATE(dentry->d_inode)))
437                 return 0;
438         return security_ops->path_chmod(dentry, mnt, mode);
439 }
440
441 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
442 {
443         if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
444                 return 0;
445         return security_ops->path_chown(path, uid, gid);
446 }
447
448 int security_path_chroot(struct path *path)
449 {
450         return security_ops->path_chroot(path);
451 }
452 #endif
453
454 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
455 {
456         if (unlikely(IS_PRIVATE(dir)))
457                 return 0;
458         return security_ops->inode_create(dir, dentry, mode);
459 }
460 EXPORT_SYMBOL_GPL(security_inode_create);
461
462 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
463                          struct dentry *new_dentry)
464 {
465         if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
466                 return 0;
467         return security_ops->inode_link(old_dentry, dir, new_dentry);
468 }
469
470 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
471 {
472         if (unlikely(IS_PRIVATE(dentry->d_inode)))
473                 return 0;
474         return security_ops->inode_unlink(dir, dentry);
475 }
476
477 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
478                             const char *old_name)
479 {
480         if (unlikely(IS_PRIVATE(dir)))
481                 return 0;
482         return security_ops->inode_symlink(dir, dentry, old_name);
483 }
484
485 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
486 {
487         if (unlikely(IS_PRIVATE(dir)))
488                 return 0;
489         return security_ops->inode_mkdir(dir, dentry, mode);
490 }
491 EXPORT_SYMBOL_GPL(security_inode_mkdir);
492
493 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
494 {
495         if (unlikely(IS_PRIVATE(dentry->d_inode)))
496                 return 0;
497         return security_ops->inode_rmdir(dir, dentry);
498 }
499
500 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
501 {
502         if (unlikely(IS_PRIVATE(dir)))
503                 return 0;
504         return security_ops->inode_mknod(dir, dentry, mode, dev);
505 }
506
507 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
508                            struct inode *new_dir, struct dentry *new_dentry)
509 {
510         if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
511             (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
512                 return 0;
513         return security_ops->inode_rename(old_dir, old_dentry,
514                                            new_dir, new_dentry);
515 }
516
517 int security_inode_readlink(struct dentry *dentry)
518 {
519         if (unlikely(IS_PRIVATE(dentry->d_inode)))
520                 return 0;
521         return security_ops->inode_readlink(dentry);
522 }
523
524 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
525 {
526         if (unlikely(IS_PRIVATE(dentry->d_inode)))
527                 return 0;
528         return security_ops->inode_follow_link(dentry, nd);
529 }
530
531 int security_inode_permission(struct inode *inode, int mask)
532 {
533         if (unlikely(IS_PRIVATE(inode)))
534                 return 0;
535         return security_ops->inode_permission(inode, mask);
536 }
537
538 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
539 {
540         if (unlikely(IS_PRIVATE(dentry->d_inode)))
541                 return 0;
542         return security_ops->inode_setattr(dentry, attr);
543 }
544 EXPORT_SYMBOL_GPL(security_inode_setattr);
545
546 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
547 {
548         if (unlikely(IS_PRIVATE(dentry->d_inode)))
549                 return 0;
550         return security_ops->inode_getattr(mnt, dentry);
551 }
552
553 int security_inode_setxattr(struct dentry *dentry, const char *name,
554                             const void *value, size_t size, int flags)
555 {
556         if (unlikely(IS_PRIVATE(dentry->d_inode)))
557                 return 0;
558         return security_ops->inode_setxattr(dentry, name, value, size, flags);
559 }
560
561 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
562                                   const void *value, size_t size, int flags)
563 {
564         if (unlikely(IS_PRIVATE(dentry->d_inode)))
565                 return;
566         security_ops->inode_post_setxattr(dentry, name, value, size, flags);
567 }
568
569 int security_inode_getxattr(struct dentry *dentry, const char *name)
570 {
571         if (unlikely(IS_PRIVATE(dentry->d_inode)))
572                 return 0;
573         return security_ops->inode_getxattr(dentry, name);
574 }
575
576 int security_inode_listxattr(struct dentry *dentry)
577 {
578         if (unlikely(IS_PRIVATE(dentry->d_inode)))
579                 return 0;
580         return security_ops->inode_listxattr(dentry);
581 }
582
583 int security_inode_removexattr(struct dentry *dentry, const char *name)
584 {
585         if (unlikely(IS_PRIVATE(dentry->d_inode)))
586                 return 0;
587         return security_ops->inode_removexattr(dentry, name);
588 }
589
590 int security_inode_need_killpriv(struct dentry *dentry)
591 {
592         return security_ops->inode_need_killpriv(dentry);
593 }
594
595 int security_inode_killpriv(struct dentry *dentry)
596 {
597         return security_ops->inode_killpriv(dentry);
598 }
599
600 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
601 {
602         if (unlikely(IS_PRIVATE(inode)))
603                 return -EOPNOTSUPP;
604         return security_ops->inode_getsecurity(inode, name, buffer, alloc);
605 }
606
607 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
608 {
609         if (unlikely(IS_PRIVATE(inode)))
610                 return -EOPNOTSUPP;
611         return security_ops->inode_setsecurity(inode, name, value, size, flags);
612 }
613
614 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
615 {
616         if (unlikely(IS_PRIVATE(inode)))
617                 return 0;
618         return security_ops->inode_listsecurity(inode, buffer, buffer_size);
619 }
620
621 void security_inode_getsecid(const struct inode *inode, u32 *secid)
622 {
623         security_ops->inode_getsecid(inode, secid);
624 }
625
626 int security_file_permission(struct file *file, int mask)
627 {
628         return security_ops->file_permission(file, mask);
629 }
630
631 int security_file_alloc(struct file *file)
632 {
633         return security_ops->file_alloc_security(file);
634 }
635
636 void security_file_free(struct file *file)
637 {
638         security_ops->file_free_security(file);
639 }
640
641 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
642 {
643         return security_ops->file_ioctl(file, cmd, arg);
644 }
645
646 int security_file_mmap(struct file *file, unsigned long reqprot,
647                         unsigned long prot, unsigned long flags,
648                         unsigned long addr, unsigned long addr_only)
649 {
650         int ret;
651
652         ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
653         if (ret)
654                 return ret;
655         return ima_file_mmap(file, prot);
656 }
657
658 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
659                             unsigned long prot)
660 {
661         return security_ops->file_mprotect(vma, reqprot, prot);
662 }
663
664 int security_file_lock(struct file *file, unsigned int cmd)
665 {
666         return security_ops->file_lock(file, cmd);
667 }
668
669 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
670 {
671         return security_ops->file_fcntl(file, cmd, arg);
672 }
673
674 int security_file_set_fowner(struct file *file)
675 {
676         return security_ops->file_set_fowner(file);
677 }
678
679 int security_file_send_sigiotask(struct task_struct *tsk,
680                                   struct fown_struct *fown, int sig)
681 {
682         return security_ops->file_send_sigiotask(tsk, fown, sig);
683 }
684
685 int security_file_receive(struct file *file)
686 {
687         return security_ops->file_receive(file);
688 }
689
690 int security_dentry_open(struct file *file, const struct cred *cred)
691 {
692         return security_ops->dentry_open(file, cred);
693 }
694
695 int security_task_create(unsigned long clone_flags)
696 {
697         return security_ops->task_create(clone_flags);
698 }
699
700 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
701 {
702         return security_ops->cred_alloc_blank(cred, gfp);
703 }
704
705 void security_cred_free(struct cred *cred)
706 {
707         security_ops->cred_free(cred);
708 }
709
710 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
711 {
712         return security_ops->cred_prepare(new, old, gfp);
713 }
714
715 void security_transfer_creds(struct cred *new, const struct cred *old)
716 {
717         security_ops->cred_transfer(new, old);
718 }
719
720 int security_kernel_act_as(struct cred *new, u32 secid)
721 {
722         return security_ops->kernel_act_as(new, secid);
723 }
724
725 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
726 {
727         return security_ops->kernel_create_files_as(new, inode);
728 }
729
730 int security_kernel_module_request(char *kmod_name)
731 {
732         return security_ops->kernel_module_request(kmod_name);
733 }
734
735 int security_task_fix_setuid(struct cred *new, const struct cred *old,
736                              int flags)
737 {
738         return security_ops->task_fix_setuid(new, old, flags);
739 }
740
741 int security_task_setpgid(struct task_struct *p, pid_t pgid)
742 {
743         return security_ops->task_setpgid(p, pgid);
744 }
745
746 int security_task_getpgid(struct task_struct *p)
747 {
748         return security_ops->task_getpgid(p);
749 }
750
751 int security_task_getsid(struct task_struct *p)
752 {
753         return security_ops->task_getsid(p);
754 }
755
756 void security_task_getsecid(struct task_struct *p, u32 *secid)
757 {
758         security_ops->task_getsecid(p, secid);
759 }
760 EXPORT_SYMBOL(security_task_getsecid);
761
762 int security_task_setnice(struct task_struct *p, int nice)
763 {
764         return security_ops->task_setnice(p, nice);
765 }
766
767 int security_task_setioprio(struct task_struct *p, int ioprio)
768 {
769         return security_ops->task_setioprio(p, ioprio);
770 }
771
772 int security_task_getioprio(struct task_struct *p)
773 {
774         return security_ops->task_getioprio(p);
775 }
776
777 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
778 {
779         return security_ops->task_setrlimit(resource, new_rlim);
780 }
781
782 int security_task_setscheduler(struct task_struct *p,
783                                 int policy, struct sched_param *lp)
784 {
785         return security_ops->task_setscheduler(p, policy, lp);
786 }
787
788 int security_task_getscheduler(struct task_struct *p)
789 {
790         return security_ops->task_getscheduler(p);
791 }
792
793 int security_task_movememory(struct task_struct *p)
794 {
795         return security_ops->task_movememory(p);
796 }
797
798 int security_task_kill(struct task_struct *p, struct siginfo *info,
799                         int sig, u32 secid)
800 {
801         return security_ops->task_kill(p, info, sig, secid);
802 }
803
804 int security_task_wait(struct task_struct *p)
805 {
806         return security_ops->task_wait(p);
807 }
808
809 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
810                          unsigned long arg4, unsigned long arg5)
811 {
812         return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
813 }
814
815 void security_task_to_inode(struct task_struct *p, struct inode *inode)
816 {
817         security_ops->task_to_inode(p, inode);
818 }
819
820 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
821 {
822         return security_ops->ipc_permission(ipcp, flag);
823 }
824
825 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
826 {
827         security_ops->ipc_getsecid(ipcp, secid);
828 }
829
830 int security_msg_msg_alloc(struct msg_msg *msg)
831 {
832         return security_ops->msg_msg_alloc_security(msg);
833 }
834
835 void security_msg_msg_free(struct msg_msg *msg)
836 {
837         security_ops->msg_msg_free_security(msg);
838 }
839
840 int security_msg_queue_alloc(struct msg_queue *msq)
841 {
842         return security_ops->msg_queue_alloc_security(msq);
843 }
844
845 void security_msg_queue_free(struct msg_queue *msq)
846 {
847         security_ops->msg_queue_free_security(msq);
848 }
849
850 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
851 {
852         return security_ops->msg_queue_associate(msq, msqflg);
853 }
854
855 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
856 {
857         return security_ops->msg_queue_msgctl(msq, cmd);
858 }
859
860 int security_msg_queue_msgsnd(struct msg_queue *msq,
861                                struct msg_msg *msg, int msqflg)
862 {
863         return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
864 }
865
866 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
867                                struct task_struct *target, long type, int mode)
868 {
869         return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
870 }
871
872 int security_shm_alloc(struct shmid_kernel *shp)
873 {
874         return security_ops->shm_alloc_security(shp);
875 }
876
877 void security_shm_free(struct shmid_kernel *shp)
878 {
879         security_ops->shm_free_security(shp);
880 }
881
882 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
883 {
884         return security_ops->shm_associate(shp, shmflg);
885 }
886
887 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
888 {
889         return security_ops->shm_shmctl(shp, cmd);
890 }
891
892 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
893 {
894         return security_ops->shm_shmat(shp, shmaddr, shmflg);
895 }
896
897 int security_sem_alloc(struct sem_array *sma)
898 {
899         return security_ops->sem_alloc_security(sma);
900 }
901
902 void security_sem_free(struct sem_array *sma)
903 {
904         security_ops->sem_free_security(sma);
905 }
906
907 int security_sem_associate(struct sem_array *sma, int semflg)
908 {
909         return security_ops->sem_associate(sma, semflg);
910 }
911
912 int security_sem_semctl(struct sem_array *sma, int cmd)
913 {
914         return security_ops->sem_semctl(sma, cmd);
915 }
916
917 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
918                         unsigned nsops, int alter)
919 {
920         return security_ops->sem_semop(sma, sops, nsops, alter);
921 }
922
923 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
924 {
925         if (unlikely(inode && IS_PRIVATE(inode)))
926                 return;
927         security_ops->d_instantiate(dentry, inode);
928 }
929 EXPORT_SYMBOL(security_d_instantiate);
930
931 int security_getprocattr(struct task_struct *p, char *name, char **value)
932 {
933         return security_ops->getprocattr(p, name, value);
934 }
935
936 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
937 {
938         return security_ops->setprocattr(p, name, value, size);
939 }
940
941 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
942 {
943         return security_ops->netlink_send(sk, skb);
944 }
945
946 int security_netlink_recv(struct sk_buff *skb, int cap)
947 {
948         return security_ops->netlink_recv(skb, cap);
949 }
950 EXPORT_SYMBOL(security_netlink_recv);
951
952 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
953 {
954         return security_ops->secid_to_secctx(secid, secdata, seclen);
955 }
956 EXPORT_SYMBOL(security_secid_to_secctx);
957
958 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
959 {
960         return security_ops->secctx_to_secid(secdata, seclen, secid);
961 }
962 EXPORT_SYMBOL(security_secctx_to_secid);
963
964 void security_release_secctx(char *secdata, u32 seclen)
965 {
966         security_ops->release_secctx(secdata, seclen);
967 }
968 EXPORT_SYMBOL(security_release_secctx);
969
970 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
971 {
972         return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
973 }
974 EXPORT_SYMBOL(security_inode_notifysecctx);
975
976 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
977 {
978         return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
979 }
980 EXPORT_SYMBOL(security_inode_setsecctx);
981
982 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
983 {
984         return security_ops->inode_getsecctx(inode, ctx, ctxlen);
985 }
986 EXPORT_SYMBOL(security_inode_getsecctx);
987
988 #ifdef CONFIG_SECURITY_NETWORK
989
990 int security_unix_stream_connect(struct socket *sock, struct socket *other,
991                                  struct sock *newsk)
992 {
993         return security_ops->unix_stream_connect(sock, other, newsk);
994 }
995 EXPORT_SYMBOL(security_unix_stream_connect);
996
997 int security_unix_may_send(struct socket *sock,  struct socket *other)
998 {
999         return security_ops->unix_may_send(sock, other);
1000 }
1001 EXPORT_SYMBOL(security_unix_may_send);
1002
1003 int security_socket_create(int family, int type, int protocol, int kern)
1004 {
1005         return security_ops->socket_create(family, type, protocol, kern);
1006 }
1007
1008 int security_socket_post_create(struct socket *sock, int family,
1009                                 int type, int protocol, int kern)
1010 {
1011         return security_ops->socket_post_create(sock, family, type,
1012                                                 protocol, kern);
1013 }
1014
1015 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1016 {
1017         return security_ops->socket_bind(sock, address, addrlen);
1018 }
1019
1020 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1021 {
1022         return security_ops->socket_connect(sock, address, addrlen);
1023 }
1024
1025 int security_socket_listen(struct socket *sock, int backlog)
1026 {
1027         return security_ops->socket_listen(sock, backlog);
1028 }
1029
1030 int security_socket_accept(struct socket *sock, struct socket *newsock)
1031 {
1032         return security_ops->socket_accept(sock, newsock);
1033 }
1034
1035 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1036 {
1037         return security_ops->socket_sendmsg(sock, msg, size);
1038 }
1039
1040 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1041                             int size, int flags)
1042 {
1043         return security_ops->socket_recvmsg(sock, msg, size, flags);
1044 }
1045
1046 int security_socket_getsockname(struct socket *sock)
1047 {
1048         return security_ops->socket_getsockname(sock);
1049 }
1050
1051 int security_socket_getpeername(struct socket *sock)
1052 {
1053         return security_ops->socket_getpeername(sock);
1054 }
1055
1056 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1057 {
1058         return security_ops->socket_getsockopt(sock, level, optname);
1059 }
1060
1061 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1062 {
1063         return security_ops->socket_setsockopt(sock, level, optname);
1064 }
1065
1066 int security_socket_shutdown(struct socket *sock, int how)
1067 {
1068         return security_ops->socket_shutdown(sock, how);
1069 }
1070
1071 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1072 {
1073         return security_ops->socket_sock_rcv_skb(sk, skb);
1074 }
1075 EXPORT_SYMBOL(security_sock_rcv_skb);
1076
1077 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1078                                       int __user *optlen, unsigned len)
1079 {
1080         return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1081 }
1082
1083 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1084 {
1085         return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1086 }
1087 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1088
1089 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1090 {
1091         return security_ops->sk_alloc_security(sk, family, priority);
1092 }
1093
1094 void security_sk_free(struct sock *sk)
1095 {
1096         security_ops->sk_free_security(sk);
1097 }
1098
1099 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1100 {
1101         security_ops->sk_clone_security(sk, newsk);
1102 }
1103
1104 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1105 {
1106         security_ops->sk_getsecid(sk, &fl->secid);
1107 }
1108 EXPORT_SYMBOL(security_sk_classify_flow);
1109
1110 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1111 {
1112         security_ops->req_classify_flow(req, fl);
1113 }
1114 EXPORT_SYMBOL(security_req_classify_flow);
1115
1116 void security_sock_graft(struct sock *sk, struct socket *parent)
1117 {
1118         security_ops->sock_graft(sk, parent);
1119 }
1120 EXPORT_SYMBOL(security_sock_graft);
1121
1122 int security_inet_conn_request(struct sock *sk,
1123                         struct sk_buff *skb, struct request_sock *req)
1124 {
1125         return security_ops->inet_conn_request(sk, skb, req);
1126 }
1127 EXPORT_SYMBOL(security_inet_conn_request);
1128
1129 void security_inet_csk_clone(struct sock *newsk,
1130                         const struct request_sock *req)
1131 {
1132         security_ops->inet_csk_clone(newsk, req);
1133 }
1134
1135 void security_inet_conn_established(struct sock *sk,
1136                         struct sk_buff *skb)
1137 {
1138         security_ops->inet_conn_established(sk, skb);
1139 }
1140
1141 int security_tun_dev_create(void)
1142 {
1143         return security_ops->tun_dev_create();
1144 }
1145 EXPORT_SYMBOL(security_tun_dev_create);
1146
1147 void security_tun_dev_post_create(struct sock *sk)
1148 {
1149         return security_ops->tun_dev_post_create(sk);
1150 }
1151 EXPORT_SYMBOL(security_tun_dev_post_create);
1152
1153 int security_tun_dev_attach(struct sock *sk)
1154 {
1155         return security_ops->tun_dev_attach(sk);
1156 }
1157 EXPORT_SYMBOL(security_tun_dev_attach);
1158
1159 #endif  /* CONFIG_SECURITY_NETWORK */
1160
1161 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1162
1163 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1164 {
1165         return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1166 }
1167 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1168
1169 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1170                               struct xfrm_sec_ctx **new_ctxp)
1171 {
1172         return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1173 }
1174
1175 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1176 {
1177         security_ops->xfrm_policy_free_security(ctx);
1178 }
1179 EXPORT_SYMBOL(security_xfrm_policy_free);
1180
1181 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1182 {
1183         return security_ops->xfrm_policy_delete_security(ctx);
1184 }
1185
1186 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1187 {
1188         return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1189 }
1190 EXPORT_SYMBOL(security_xfrm_state_alloc);
1191
1192 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1193                                       struct xfrm_sec_ctx *polsec, u32 secid)
1194 {
1195         if (!polsec)
1196                 return 0;
1197         /*
1198          * We want the context to be taken from secid which is usually
1199          * from the sock.
1200          */
1201         return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1202 }
1203
1204 int security_xfrm_state_delete(struct xfrm_state *x)
1205 {
1206         return security_ops->xfrm_state_delete_security(x);
1207 }
1208 EXPORT_SYMBOL(security_xfrm_state_delete);
1209
1210 void security_xfrm_state_free(struct xfrm_state *x)
1211 {
1212         security_ops->xfrm_state_free_security(x);
1213 }
1214
1215 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1216 {
1217         return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1218 }
1219
1220 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1221                                        struct xfrm_policy *xp, struct flowi *fl)
1222 {
1223         return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1224 }
1225
1226 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1227 {
1228         return security_ops->xfrm_decode_session(skb, secid, 1);
1229 }
1230
1231 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1232 {
1233         int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1234
1235         BUG_ON(rc);
1236 }
1237 EXPORT_SYMBOL(security_skb_classify_flow);
1238
1239 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
1240
1241 #ifdef CONFIG_KEYS
1242
1243 int security_key_alloc(struct key *key, const struct cred *cred,
1244                        unsigned long flags)
1245 {
1246         return security_ops->key_alloc(key, cred, flags);
1247 }
1248
1249 void security_key_free(struct key *key)
1250 {
1251         security_ops->key_free(key);
1252 }
1253
1254 int security_key_permission(key_ref_t key_ref,
1255                             const struct cred *cred, key_perm_t perm)
1256 {
1257         return security_ops->key_permission(key_ref, cred, perm);
1258 }
1259
1260 int security_key_getsecurity(struct key *key, char **_buffer)
1261 {
1262         return security_ops->key_getsecurity(key, _buffer);
1263 }
1264
1265 #endif  /* CONFIG_KEYS */
1266
1267 #ifdef CONFIG_AUDIT
1268
1269 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1270 {
1271         return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1272 }
1273
1274 int security_audit_rule_known(struct audit_krule *krule)
1275 {
1276         return security_ops->audit_rule_known(krule);
1277 }
1278
1279 void security_audit_rule_free(void *lsmrule)
1280 {
1281         security_ops->audit_rule_free(lsmrule);
1282 }
1283
1284 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1285                               struct audit_context *actx)
1286 {
1287         return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1288 }
1289
1290 #endif /* CONFIG_AUDIT */