security: remove dead hook sb_post_pivotroot
[deliverable/linux.git] / security / security.c
CommitLineData
1da177e4
LT
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
c59ede7b 14#include <linux/capability.h>
1da177e4
LT
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
1da177e4 18#include <linux/security.h>
6c21a7fb 19#include <linux/ima.h>
1da177e4 20
076c54c5 21/* Boot-time LSM user choice */
6e65f92f
JJ
22static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23 CONFIG_DEFAULT_SECURITY;
1da177e4 24
5915eb53 25/* things that live in capability.c */
1da177e4
LT
26extern void security_fixup_ops(struct security_operations *ops);
27
189b3b1c 28static struct security_operations *security_ops;
29static struct security_operations default_security_ops = {
30 .name = "default",
31};
a5ecbcb8 32
1da177e4
LT
33static 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
42static 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 */
57int __init security_init(void)
58{
20510f2f 59 printk(KERN_INFO "Security Framework initialized\n");
1da177e4 60
5915eb53
MS
61 security_fixup_ops(&default_security_ops);
62 security_ops = &default_security_ops;
1da177e4
LT
63 do_security_initcalls();
64
65 return 0;
66}
67
189b3b1c 68void reset_security_ops(void)
69{
70 security_ops = &default_security_ops;
71}
72
076c54c5
AD
73/* Save user chosen LSM */
74static 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
7cea51be 87 * to check if your LSM is currently loaded during kernel initialization.
076c54c5
AD
88 *
89 * Return true if:
90 * -The passed LSM is the one chosen by user at boot time,
6e65f92f
JJ
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,
076c54c5
AD
95 * -or the passed LSM is currently loaded.
96 * Otherwise, return false.
97 */
98int __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
1da177e4
LT
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 *
3f23d815 112 * This function allows a security module to register itself with the
1da177e4 113 * kernel security subsystem. Some rudimentary checking is done on the @ops
076c54c5
AD
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).
1da177e4
LT
116 *
117 * If there is already a security module registered with the kernel,
3f23d815 118 * an error will be returned. Otherwise %0 is returned on success.
1da177e4 119 */
c1e992b9 120int __init register_security(struct security_operations *ops)
1da177e4
LT
121{
122 if (verify(ops)) {
123 printk(KERN_DEBUG "%s could not verify "
dd6f953a 124 "security_operations structure.\n", __func__);
1da177e4
LT
125 return -EINVAL;
126 }
127
5915eb53 128 if (security_ops != &default_security_ops)
1da177e4
LT
129 return -EAGAIN;
130
131 security_ops = ops;
132
133 return 0;
134}
135
20510f2f
JM
136/* Security operations */
137
9e48858f 138int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
20510f2f 139{
9e48858f 140 return security_ops->ptrace_access_check(child, mode);
5cd9c58f
DH
141}
142
143int security_ptrace_traceme(struct task_struct *parent)
144{
145 return security_ops->ptrace_traceme(parent);
20510f2f
JM
146}
147
148int 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
d84f4f99
DH
156int 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)
20510f2f 160{
d84f4f99
DH
161 return security_ops->capset(new, old,
162 effective, inheritable, permitted);
20510f2f
JM
163}
164
3699c53c 165int security_capable(int cap)
20510f2f 166{
3699c53c
DH
167 return security_ops->capable(current, current_cred(), cap,
168 SECURITY_CAP_AUDIT);
06112163
EP
169}
170
3699c53c 171int security_real_capable(struct task_struct *tsk, int cap)
06112163 172{
3699c53c
DH
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
182int 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;
20510f2f
JM
191}
192
193int security_acct(struct file *file)
194{
195 return security_ops->acct(file);
196}
197
198int security_sysctl(struct ctl_table *table, int op)
199{
200 return security_ops->sysctl(table, op);
201}
202
203int security_quotactl(int cmds, int type, int id, struct super_block *sb)
204{
205 return security_ops->quotactl(cmds, type, id, sb);
206}
207
208int security_quota_on(struct dentry *dentry)
209{
210 return security_ops->quota_on(dentry);
211}
212
00234592 213int security_syslog(int type, bool from_file)
20510f2f 214{
00234592 215 return security_ops->syslog(type, from_file);
20510f2f
JM
216}
217
218int security_settime(struct timespec *ts, struct timezone *tz)
219{
220 return security_ops->settime(ts, tz);
221}
222
223int security_vm_enough_memory(long pages)
224{
731572d3 225 WARN_ON(current->mm == NULL);
20510f2f
JM
226 return security_ops->vm_enough_memory(current->mm, pages);
227}
228
229int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
230{
731572d3 231 WARN_ON(mm == NULL);
20510f2f
JM
232 return security_ops->vm_enough_memory(mm, pages);
233}
234
731572d3
AC
235int 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
a6f76f23 242int security_bprm_set_creds(struct linux_binprm *bprm)
20510f2f 243{
a6f76f23 244 return security_ops->bprm_set_creds(bprm);
20510f2f
JM
245}
246
a6f76f23 247int security_bprm_check(struct linux_binprm *bprm)
20510f2f 248{
6c21a7fb
MZ
249 int ret;
250
251 ret = security_ops->bprm_check_security(bprm);
252 if (ret)
253 return ret;
254 return ima_bprm_check(bprm);
20510f2f
JM
255}
256
a6f76f23 257void security_bprm_committing_creds(struct linux_binprm *bprm)
20510f2f 258{
200036ca 259 security_ops->bprm_committing_creds(bprm);
20510f2f
JM
260}
261
a6f76f23 262void security_bprm_committed_creds(struct linux_binprm *bprm)
20510f2f 263{
200036ca 264 security_ops->bprm_committed_creds(bprm);
20510f2f
JM
265}
266
267int security_bprm_secureexec(struct linux_binprm *bprm)
268{
269 return security_ops->bprm_secureexec(bprm);
270}
271
272int security_sb_alloc(struct super_block *sb)
273{
274 return security_ops->sb_alloc_security(sb);
275}
276
277void security_sb_free(struct super_block *sb)
278{
279 security_ops->sb_free_security(sb);
280}
281
e0007529 282int security_sb_copy_data(char *orig, char *copy)
20510f2f 283{
e0007529 284 return security_ops->sb_copy_data(orig, copy);
20510f2f 285}
e0007529 286EXPORT_SYMBOL(security_sb_copy_data);
20510f2f 287
12204e24 288int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
20510f2f 289{
12204e24 290 return security_ops->sb_kern_mount(sb, flags, data);
20510f2f
JM
291}
292
2069f457
EP
293int security_sb_show_options(struct seq_file *m, struct super_block *sb)
294{
295 return security_ops->sb_show_options(m, sb);
296}
297
20510f2f
JM
298int security_sb_statfs(struct dentry *dentry)
299{
300 return security_ops->sb_statfs(dentry);
301}
302
b5266eb4 303int security_sb_mount(char *dev_name, struct path *path,
20510f2f
JM
304 char *type, unsigned long flags, void *data)
305{
b5266eb4 306 return security_ops->sb_mount(dev_name, path, type, flags, data);
20510f2f
JM
307}
308
20510f2f
JM
309int security_sb_umount(struct vfsmount *mnt, int flags)
310{
311 return security_ops->sb_umount(mnt, flags);
312}
313
b5266eb4 314int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 315{
b5266eb4 316 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
317}
318
c9180a57 319int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 320 struct security_mnt_opts *opts)
c9180a57 321{
e0007529 322 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 323}
e0007529 324EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
325
326void 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}
e0007529
EP
331EXPORT_SYMBOL(security_sb_clone_mnt_opts);
332
333int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
334{
335 return security_ops->sb_parse_opts_str(options, opts);
336}
337EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 338
20510f2f
JM
339int security_inode_alloc(struct inode *inode)
340{
6c21a7fb
MZ
341 int ret;
342
20510f2f 343 inode->i_security = NULL;
6c21a7fb
MZ
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;
20510f2f
JM
351}
352
353void security_inode_free(struct inode *inode)
354{
6c21a7fb 355 ima_inode_free(inode);
20510f2f
JM
356 security_ops->inode_free_security(inode);
357}
358
359int 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}
366EXPORT_SYMBOL(security_inode_init_security);
367
be6d3e56 368#ifdef CONFIG_SECURITY_PATH
5d0901a3 369int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
be6d3e56
KT
370 unsigned int dev)
371{
5d0901a3 372 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 373 return 0;
5d0901a3 374 return security_ops->path_mknod(dir, dentry, mode, dev);
be6d3e56
KT
375}
376EXPORT_SYMBOL(security_path_mknod);
377
5d0901a3 378int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
be6d3e56 379{
5d0901a3 380 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 381 return 0;
5d0901a3 382 return security_ops->path_mkdir(dir, dentry, mode);
be6d3e56
KT
383}
384
5d0901a3 385int security_path_rmdir(struct path *dir, struct dentry *dentry)
be6d3e56 386{
5d0901a3 387 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 388 return 0;
5d0901a3 389 return security_ops->path_rmdir(dir, dentry);
be6d3e56
KT
390}
391
5d0901a3 392int security_path_unlink(struct path *dir, struct dentry *dentry)
be6d3e56 393{
5d0901a3 394 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 395 return 0;
5d0901a3 396 return security_ops->path_unlink(dir, dentry);
be6d3e56
KT
397}
398
5d0901a3 399int security_path_symlink(struct path *dir, struct dentry *dentry,
be6d3e56
KT
400 const char *old_name)
401{
5d0901a3 402 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 403 return 0;
5d0901a3 404 return security_ops->path_symlink(dir, dentry, old_name);
be6d3e56
KT
405}
406
407int 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
415int 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
425int 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}
89eda068
TH
432
433int 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
441int 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}
8b8efb44
TH
447
448int security_path_chroot(struct path *path)
449{
450 return security_ops->path_chroot(path);
451}
be6d3e56
KT
452#endif
453
20510f2f
JM
454int 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}
800a9647 460EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
461
462int 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
470int 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
477int 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
485int 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}
800a9647 491EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
492
493int 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
500int 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
507int 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
517int 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
524int 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
b77b0646 531int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
532{
533 if (unlikely(IS_PRIVATE(inode)))
534 return 0;
b77b0646 535 return security_ops->inode_permission(inode, mask);
20510f2f
JM
536}
537
538int 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}
b1da47e2 544EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
545
546int 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
553void security_inode_delete(struct inode *inode)
554{
555 if (unlikely(IS_PRIVATE(inode)))
556 return;
557 security_ops->inode_delete(inode);
558}
559
8f0cfa52
DH
560int security_inode_setxattr(struct dentry *dentry, const char *name,
561 const void *value, size_t size, int flags)
20510f2f
JM
562{
563 if (unlikely(IS_PRIVATE(dentry->d_inode)))
564 return 0;
565 return security_ops->inode_setxattr(dentry, name, value, size, flags);
566}
567
8f0cfa52
DH
568void security_inode_post_setxattr(struct dentry *dentry, const char *name,
569 const void *value, size_t size, int flags)
20510f2f
JM
570{
571 if (unlikely(IS_PRIVATE(dentry->d_inode)))
572 return;
573 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
574}
575
8f0cfa52 576int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
577{
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
579 return 0;
580 return security_ops->inode_getxattr(dentry, name);
581}
582
583int security_inode_listxattr(struct dentry *dentry)
584{
585 if (unlikely(IS_PRIVATE(dentry->d_inode)))
586 return 0;
587 return security_ops->inode_listxattr(dentry);
588}
589
8f0cfa52 590int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
591{
592 if (unlikely(IS_PRIVATE(dentry->d_inode)))
593 return 0;
594 return security_ops->inode_removexattr(dentry, name);
595}
596
b5376771
SH
597int security_inode_need_killpriv(struct dentry *dentry)
598{
599 return security_ops->inode_need_killpriv(dentry);
600}
601
602int security_inode_killpriv(struct dentry *dentry)
603{
604 return security_ops->inode_killpriv(dentry);
605}
606
42492594 607int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
608{
609 if (unlikely(IS_PRIVATE(inode)))
8d952504 610 return -EOPNOTSUPP;
42492594 611 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
612}
613
614int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
615{
616 if (unlikely(IS_PRIVATE(inode)))
8d952504 617 return -EOPNOTSUPP;
20510f2f
JM
618 return security_ops->inode_setsecurity(inode, name, value, size, flags);
619}
620
621int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
622{
623 if (unlikely(IS_PRIVATE(inode)))
624 return 0;
625 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
626}
627
8a076191
AD
628void security_inode_getsecid(const struct inode *inode, u32 *secid)
629{
630 security_ops->inode_getsecid(inode, secid);
631}
632
20510f2f
JM
633int security_file_permission(struct file *file, int mask)
634{
635 return security_ops->file_permission(file, mask);
636}
637
638int security_file_alloc(struct file *file)
639{
640 return security_ops->file_alloc_security(file);
641}
642
643void security_file_free(struct file *file)
644{
645 security_ops->file_free_security(file);
646}
647
648int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
649{
650 return security_ops->file_ioctl(file, cmd, arg);
651}
652
653int security_file_mmap(struct file *file, unsigned long reqprot,
654 unsigned long prot, unsigned long flags,
655 unsigned long addr, unsigned long addr_only)
656{
6c21a7fb
MZ
657 int ret;
658
659 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
660 if (ret)
661 return ret;
662 return ima_file_mmap(file, prot);
20510f2f
JM
663}
664
665int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
666 unsigned long prot)
667{
668 return security_ops->file_mprotect(vma, reqprot, prot);
669}
670
671int security_file_lock(struct file *file, unsigned int cmd)
672{
673 return security_ops->file_lock(file, cmd);
674}
675
676int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
677{
678 return security_ops->file_fcntl(file, cmd, arg);
679}
680
681int security_file_set_fowner(struct file *file)
682{
683 return security_ops->file_set_fowner(file);
684}
685
686int security_file_send_sigiotask(struct task_struct *tsk,
687 struct fown_struct *fown, int sig)
688{
689 return security_ops->file_send_sigiotask(tsk, fown, sig);
690}
691
692int security_file_receive(struct file *file)
693{
694 return security_ops->file_receive(file);
695}
696
745ca247 697int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 698{
745ca247 699 return security_ops->dentry_open(file, cred);
20510f2f
JM
700}
701
702int security_task_create(unsigned long clone_flags)
703{
704 return security_ops->task_create(clone_flags);
705}
706
ee18d64c
DH
707int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
708{
709 return security_ops->cred_alloc_blank(cred, gfp);
710}
711
d84f4f99 712void security_cred_free(struct cred *cred)
20510f2f 713{
d84f4f99 714 security_ops->cred_free(cred);
20510f2f
JM
715}
716
d84f4f99 717int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 718{
d84f4f99
DH
719 return security_ops->cred_prepare(new, old, gfp);
720}
721
722void security_commit_creds(struct cred *new, const struct cred *old)
723{
200036ca 724 security_ops->cred_commit(new, old);
20510f2f
JM
725}
726
ee18d64c
DH
727void security_transfer_creds(struct cred *new, const struct cred *old)
728{
729 security_ops->cred_transfer(new, old);
730}
731
3a3b7ce9
DH
732int security_kernel_act_as(struct cred *new, u32 secid)
733{
734 return security_ops->kernel_act_as(new, secid);
735}
736
737int security_kernel_create_files_as(struct cred *new, struct inode *inode)
738{
739 return security_ops->kernel_create_files_as(new, inode);
740}
741
dd8dbf2e 742int security_kernel_module_request(char *kmod_name)
9188499c 743{
dd8dbf2e 744 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
745}
746
20510f2f
JM
747int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
748{
749 return security_ops->task_setuid(id0, id1, id2, flags);
750}
751
d84f4f99
DH
752int security_task_fix_setuid(struct cred *new, const struct cred *old,
753 int flags)
20510f2f 754{
d84f4f99 755 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
756}
757
758int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
759{
760 return security_ops->task_setgid(id0, id1, id2, flags);
761}
762
763int security_task_setpgid(struct task_struct *p, pid_t pgid)
764{
765 return security_ops->task_setpgid(p, pgid);
766}
767
768int security_task_getpgid(struct task_struct *p)
769{
770 return security_ops->task_getpgid(p);
771}
772
773int security_task_getsid(struct task_struct *p)
774{
775 return security_ops->task_getsid(p);
776}
777
778void security_task_getsecid(struct task_struct *p, u32 *secid)
779{
780 security_ops->task_getsecid(p, secid);
781}
782EXPORT_SYMBOL(security_task_getsecid);
783
784int security_task_setgroups(struct group_info *group_info)
785{
786 return security_ops->task_setgroups(group_info);
787}
788
789int security_task_setnice(struct task_struct *p, int nice)
790{
791 return security_ops->task_setnice(p, nice);
792}
793
794int security_task_setioprio(struct task_struct *p, int ioprio)
795{
796 return security_ops->task_setioprio(p, ioprio);
797}
798
799int security_task_getioprio(struct task_struct *p)
800{
801 return security_ops->task_getioprio(p);
802}
803
804int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
805{
806 return security_ops->task_setrlimit(resource, new_rlim);
807}
808
809int security_task_setscheduler(struct task_struct *p,
810 int policy, struct sched_param *lp)
811{
812 return security_ops->task_setscheduler(p, policy, lp);
813}
814
815int security_task_getscheduler(struct task_struct *p)
816{
817 return security_ops->task_getscheduler(p);
818}
819
820int security_task_movememory(struct task_struct *p)
821{
822 return security_ops->task_movememory(p);
823}
824
825int security_task_kill(struct task_struct *p, struct siginfo *info,
826 int sig, u32 secid)
827{
828 return security_ops->task_kill(p, info, sig, secid);
829}
830
831int security_task_wait(struct task_struct *p)
832{
833 return security_ops->task_wait(p);
834}
835
836int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 837 unsigned long arg4, unsigned long arg5)
20510f2f 838{
d84f4f99 839 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
840}
841
842void security_task_to_inode(struct task_struct *p, struct inode *inode)
843{
844 security_ops->task_to_inode(p, inode);
845}
846
847int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
848{
849 return security_ops->ipc_permission(ipcp, flag);
850}
851
8a076191
AD
852void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
853{
854 security_ops->ipc_getsecid(ipcp, secid);
855}
856
20510f2f
JM
857int security_msg_msg_alloc(struct msg_msg *msg)
858{
859 return security_ops->msg_msg_alloc_security(msg);
860}
861
862void security_msg_msg_free(struct msg_msg *msg)
863{
864 security_ops->msg_msg_free_security(msg);
865}
866
867int security_msg_queue_alloc(struct msg_queue *msq)
868{
869 return security_ops->msg_queue_alloc_security(msq);
870}
871
872void security_msg_queue_free(struct msg_queue *msq)
873{
874 security_ops->msg_queue_free_security(msq);
875}
876
877int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
878{
879 return security_ops->msg_queue_associate(msq, msqflg);
880}
881
882int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
883{
884 return security_ops->msg_queue_msgctl(msq, cmd);
885}
886
887int security_msg_queue_msgsnd(struct msg_queue *msq,
888 struct msg_msg *msg, int msqflg)
889{
890 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
891}
892
893int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
894 struct task_struct *target, long type, int mode)
895{
896 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
897}
898
899int security_shm_alloc(struct shmid_kernel *shp)
900{
901 return security_ops->shm_alloc_security(shp);
902}
903
904void security_shm_free(struct shmid_kernel *shp)
905{
906 security_ops->shm_free_security(shp);
907}
908
909int security_shm_associate(struct shmid_kernel *shp, int shmflg)
910{
911 return security_ops->shm_associate(shp, shmflg);
912}
913
914int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
915{
916 return security_ops->shm_shmctl(shp, cmd);
917}
918
919int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
920{
921 return security_ops->shm_shmat(shp, shmaddr, shmflg);
922}
923
924int security_sem_alloc(struct sem_array *sma)
925{
926 return security_ops->sem_alloc_security(sma);
927}
928
929void security_sem_free(struct sem_array *sma)
930{
931 security_ops->sem_free_security(sma);
932}
933
934int security_sem_associate(struct sem_array *sma, int semflg)
935{
936 return security_ops->sem_associate(sma, semflg);
937}
938
939int security_sem_semctl(struct sem_array *sma, int cmd)
940{
941 return security_ops->sem_semctl(sma, cmd);
942}
943
944int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
945 unsigned nsops, int alter)
946{
947 return security_ops->sem_semop(sma, sops, nsops, alter);
948}
949
950void security_d_instantiate(struct dentry *dentry, struct inode *inode)
951{
952 if (unlikely(inode && IS_PRIVATE(inode)))
953 return;
954 security_ops->d_instantiate(dentry, inode);
955}
956EXPORT_SYMBOL(security_d_instantiate);
957
958int security_getprocattr(struct task_struct *p, char *name, char **value)
959{
960 return security_ops->getprocattr(p, name, value);
961}
962
963int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
964{
965 return security_ops->setprocattr(p, name, value, size);
966}
967
968int security_netlink_send(struct sock *sk, struct sk_buff *skb)
969{
970 return security_ops->netlink_send(sk, skb);
971}
20510f2f
JM
972
973int security_netlink_recv(struct sk_buff *skb, int cap)
974{
975 return security_ops->netlink_recv(skb, cap);
976}
977EXPORT_SYMBOL(security_netlink_recv);
978
979int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
980{
981 return security_ops->secid_to_secctx(secid, secdata, seclen);
982}
983EXPORT_SYMBOL(security_secid_to_secctx);
984
7bf570dc 985int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
986{
987 return security_ops->secctx_to_secid(secdata, seclen, secid);
988}
989EXPORT_SYMBOL(security_secctx_to_secid);
990
20510f2f
JM
991void security_release_secctx(char *secdata, u32 seclen)
992{
65fc7668 993 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
994}
995EXPORT_SYMBOL(security_release_secctx);
996
1ee65e37
DQ
997int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
998{
999 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1000}
1001EXPORT_SYMBOL(security_inode_notifysecctx);
1002
1003int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1004{
1005 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1006}
1007EXPORT_SYMBOL(security_inode_setsecctx);
1008
1009int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1010{
1011 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1012}
1013EXPORT_SYMBOL(security_inode_getsecctx);
1014
20510f2f
JM
1015#ifdef CONFIG_SECURITY_NETWORK
1016
1017int security_unix_stream_connect(struct socket *sock, struct socket *other,
1018 struct sock *newsk)
1019{
1020 return security_ops->unix_stream_connect(sock, other, newsk);
1021}
1022EXPORT_SYMBOL(security_unix_stream_connect);
1023
1024int security_unix_may_send(struct socket *sock, struct socket *other)
1025{
1026 return security_ops->unix_may_send(sock, other);
1027}
1028EXPORT_SYMBOL(security_unix_may_send);
1029
1030int security_socket_create(int family, int type, int protocol, int kern)
1031{
1032 return security_ops->socket_create(family, type, protocol, kern);
1033}
1034
1035int security_socket_post_create(struct socket *sock, int family,
1036 int type, int protocol, int kern)
1037{
1038 return security_ops->socket_post_create(sock, family, type,
1039 protocol, kern);
1040}
1041
1042int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1043{
1044 return security_ops->socket_bind(sock, address, addrlen);
1045}
1046
1047int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1048{
1049 return security_ops->socket_connect(sock, address, addrlen);
1050}
1051
1052int security_socket_listen(struct socket *sock, int backlog)
1053{
1054 return security_ops->socket_listen(sock, backlog);
1055}
1056
1057int security_socket_accept(struct socket *sock, struct socket *newsock)
1058{
1059 return security_ops->socket_accept(sock, newsock);
1060}
1061
20510f2f
JM
1062int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1063{
1064 return security_ops->socket_sendmsg(sock, msg, size);
1065}
1066
1067int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1068 int size, int flags)
1069{
1070 return security_ops->socket_recvmsg(sock, msg, size, flags);
1071}
1072
1073int security_socket_getsockname(struct socket *sock)
1074{
1075 return security_ops->socket_getsockname(sock);
1076}
1077
1078int security_socket_getpeername(struct socket *sock)
1079{
1080 return security_ops->socket_getpeername(sock);
1081}
1082
1083int security_socket_getsockopt(struct socket *sock, int level, int optname)
1084{
1085 return security_ops->socket_getsockopt(sock, level, optname);
1086}
1087
1088int security_socket_setsockopt(struct socket *sock, int level, int optname)
1089{
1090 return security_ops->socket_setsockopt(sock, level, optname);
1091}
1092
1093int security_socket_shutdown(struct socket *sock, int how)
1094{
1095 return security_ops->socket_shutdown(sock, how);
1096}
1097
1098int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1099{
1100 return security_ops->socket_sock_rcv_skb(sk, skb);
1101}
1102EXPORT_SYMBOL(security_sock_rcv_skb);
1103
1104int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1105 int __user *optlen, unsigned len)
1106{
1107 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1108}
1109
1110int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1111{
1112 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1113}
1114EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1115
1116int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1117{
1118 return security_ops->sk_alloc_security(sk, family, priority);
1119}
1120
1121void security_sk_free(struct sock *sk)
1122{
65fc7668 1123 security_ops->sk_free_security(sk);
20510f2f
JM
1124}
1125
1126void security_sk_clone(const struct sock *sk, struct sock *newsk)
1127{
65fc7668 1128 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1129}
1130
1131void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1132{
1133 security_ops->sk_getsecid(sk, &fl->secid);
1134}
1135EXPORT_SYMBOL(security_sk_classify_flow);
1136
1137void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1138{
1139 security_ops->req_classify_flow(req, fl);
1140}
1141EXPORT_SYMBOL(security_req_classify_flow);
1142
1143void security_sock_graft(struct sock *sk, struct socket *parent)
1144{
1145 security_ops->sock_graft(sk, parent);
1146}
1147EXPORT_SYMBOL(security_sock_graft);
1148
1149int security_inet_conn_request(struct sock *sk,
1150 struct sk_buff *skb, struct request_sock *req)
1151{
1152 return security_ops->inet_conn_request(sk, skb, req);
1153}
1154EXPORT_SYMBOL(security_inet_conn_request);
1155
1156void security_inet_csk_clone(struct sock *newsk,
1157 const struct request_sock *req)
1158{
1159 security_ops->inet_csk_clone(newsk, req);
1160}
1161
1162void security_inet_conn_established(struct sock *sk,
1163 struct sk_buff *skb)
1164{
1165 security_ops->inet_conn_established(sk, skb);
1166}
1167
2b980dbd
PM
1168int security_tun_dev_create(void)
1169{
1170 return security_ops->tun_dev_create();
1171}
1172EXPORT_SYMBOL(security_tun_dev_create);
1173
1174void security_tun_dev_post_create(struct sock *sk)
1175{
1176 return security_ops->tun_dev_post_create(sk);
1177}
1178EXPORT_SYMBOL(security_tun_dev_post_create);
1179
1180int security_tun_dev_attach(struct sock *sk)
1181{
1182 return security_ops->tun_dev_attach(sk);
1183}
1184EXPORT_SYMBOL(security_tun_dev_attach);
1185
20510f2f
JM
1186#endif /* CONFIG_SECURITY_NETWORK */
1187
1188#ifdef CONFIG_SECURITY_NETWORK_XFRM
1189
03e1ad7b 1190int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1191{
03e1ad7b 1192 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1193}
1194EXPORT_SYMBOL(security_xfrm_policy_alloc);
1195
03e1ad7b
PM
1196int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1197 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1198{
03e1ad7b 1199 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1200}
1201
03e1ad7b 1202void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1203{
03e1ad7b 1204 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1205}
1206EXPORT_SYMBOL(security_xfrm_policy_free);
1207
03e1ad7b 1208int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1209{
03e1ad7b 1210 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1211}
1212
1213int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1214{
1215 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1216}
1217EXPORT_SYMBOL(security_xfrm_state_alloc);
1218
1219int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1220 struct xfrm_sec_ctx *polsec, u32 secid)
1221{
1222 if (!polsec)
1223 return 0;
1224 /*
1225 * We want the context to be taken from secid which is usually
1226 * from the sock.
1227 */
1228 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1229}
1230
1231int security_xfrm_state_delete(struct xfrm_state *x)
1232{
1233 return security_ops->xfrm_state_delete_security(x);
1234}
1235EXPORT_SYMBOL(security_xfrm_state_delete);
1236
1237void security_xfrm_state_free(struct xfrm_state *x)
1238{
1239 security_ops->xfrm_state_free_security(x);
1240}
1241
03e1ad7b 1242int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1243{
03e1ad7b 1244 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1245}
1246
1247int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1248 struct xfrm_policy *xp, struct flowi *fl)
1249{
1250 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1251}
1252
1253int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1254{
1255 return security_ops->xfrm_decode_session(skb, secid, 1);
1256}
1257
1258void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1259{
1260 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1261
1262 BUG_ON(rc);
1263}
1264EXPORT_SYMBOL(security_skb_classify_flow);
1265
1266#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1267
1268#ifdef CONFIG_KEYS
1269
d84f4f99
DH
1270int security_key_alloc(struct key *key, const struct cred *cred,
1271 unsigned long flags)
20510f2f 1272{
d84f4f99 1273 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1274}
1275
1276void security_key_free(struct key *key)
1277{
1278 security_ops->key_free(key);
1279}
1280
1281int security_key_permission(key_ref_t key_ref,
d84f4f99 1282 const struct cred *cred, key_perm_t perm)
20510f2f 1283{
d84f4f99 1284 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1285}
1286
70a5bb72
DH
1287int security_key_getsecurity(struct key *key, char **_buffer)
1288{
1289 return security_ops->key_getsecurity(key, _buffer);
1290}
1291
ee18d64c
DH
1292int security_key_session_to_parent(const struct cred *cred,
1293 const struct cred *parent_cred,
1294 struct key *key)
1295{
1296 return security_ops->key_session_to_parent(cred, parent_cred, key);
1297}
1298
20510f2f 1299#endif /* CONFIG_KEYS */
03d37d25
AD
1300
1301#ifdef CONFIG_AUDIT
1302
1303int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1304{
1305 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1306}
1307
1308int security_audit_rule_known(struct audit_krule *krule)
1309{
1310 return security_ops->audit_rule_known(krule);
1311}
1312
1313void security_audit_rule_free(void *lsmrule)
1314{
1315 security_ops->audit_rule_free(lsmrule);
1316}
1317
1318int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1319 struct audit_context *actx)
1320{
1321 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1322}
1323
1324#endif /* CONFIG_AUDIT */
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