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