Merge commit 'v2.6.34-rc6' into perf/core
[linux-2.6-block.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
LT
119 */
120int register_security(struct security_operations *ops)
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
b5266eb4 309int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
20510f2f 310{
b5266eb4 311 return security_ops->sb_check_sb(mnt, path);
20510f2f
JM
312}
313
314int security_sb_umount(struct vfsmount *mnt, int flags)
315{
316 return security_ops->sb_umount(mnt, flags);
317}
318
319void security_sb_umount_close(struct vfsmount *mnt)
320{
321 security_ops->sb_umount_close(mnt);
322}
323
324void security_sb_umount_busy(struct vfsmount *mnt)
325{
326 security_ops->sb_umount_busy(mnt);
327}
328
329void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
330{
331 security_ops->sb_post_remount(mnt, flags, data);
332}
333
b5266eb4 334void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
20510f2f 335{
b5266eb4 336 security_ops->sb_post_addmount(mnt, mountpoint);
20510f2f
JM
337}
338
b5266eb4 339int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 340{
b5266eb4 341 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
342}
343
b5266eb4 344void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 345{
b5266eb4 346 security_ops->sb_post_pivotroot(old_path, new_path);
20510f2f
JM
347}
348
c9180a57 349int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 350 struct security_mnt_opts *opts)
c9180a57 351{
e0007529 352 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 353}
e0007529 354EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
355
356void security_sb_clone_mnt_opts(const struct super_block *oldsb,
357 struct super_block *newsb)
358{
359 security_ops->sb_clone_mnt_opts(oldsb, newsb);
360}
e0007529
EP
361EXPORT_SYMBOL(security_sb_clone_mnt_opts);
362
363int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
364{
365 return security_ops->sb_parse_opts_str(options, opts);
366}
367EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 368
20510f2f
JM
369int security_inode_alloc(struct inode *inode)
370{
6c21a7fb
MZ
371 int ret;
372
20510f2f 373 inode->i_security = NULL;
6c21a7fb
MZ
374 ret = security_ops->inode_alloc_security(inode);
375 if (ret)
376 return ret;
377 ret = ima_inode_alloc(inode);
378 if (ret)
379 security_inode_free(inode);
380 return ret;
20510f2f
JM
381}
382
383void security_inode_free(struct inode *inode)
384{
6c21a7fb 385 ima_inode_free(inode);
20510f2f
JM
386 security_ops->inode_free_security(inode);
387}
388
389int security_inode_init_security(struct inode *inode, struct inode *dir,
390 char **name, void **value, size_t *len)
391{
392 if (unlikely(IS_PRIVATE(inode)))
393 return -EOPNOTSUPP;
394 return security_ops->inode_init_security(inode, dir, name, value, len);
395}
396EXPORT_SYMBOL(security_inode_init_security);
397
be6d3e56 398#ifdef CONFIG_SECURITY_PATH
5d0901a3 399int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
be6d3e56
KT
400 unsigned int dev)
401{
5d0901a3 402 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 403 return 0;
5d0901a3 404 return security_ops->path_mknod(dir, dentry, mode, dev);
be6d3e56
KT
405}
406EXPORT_SYMBOL(security_path_mknod);
407
5d0901a3 408int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
be6d3e56 409{
5d0901a3 410 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 411 return 0;
5d0901a3 412 return security_ops->path_mkdir(dir, dentry, mode);
be6d3e56
KT
413}
414
5d0901a3 415int security_path_rmdir(struct path *dir, struct dentry *dentry)
be6d3e56 416{
5d0901a3 417 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 418 return 0;
5d0901a3 419 return security_ops->path_rmdir(dir, dentry);
be6d3e56
KT
420}
421
5d0901a3 422int security_path_unlink(struct path *dir, struct dentry *dentry)
be6d3e56 423{
5d0901a3 424 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 425 return 0;
5d0901a3 426 return security_ops->path_unlink(dir, dentry);
be6d3e56
KT
427}
428
5d0901a3 429int security_path_symlink(struct path *dir, struct dentry *dentry,
be6d3e56
KT
430 const char *old_name)
431{
5d0901a3 432 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 433 return 0;
5d0901a3 434 return security_ops->path_symlink(dir, dentry, old_name);
be6d3e56
KT
435}
436
437int security_path_link(struct dentry *old_dentry, struct path *new_dir,
438 struct dentry *new_dentry)
439{
440 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
441 return 0;
442 return security_ops->path_link(old_dentry, new_dir, new_dentry);
443}
444
445int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
446 struct path *new_dir, struct dentry *new_dentry)
447{
448 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
449 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
450 return 0;
451 return security_ops->path_rename(old_dir, old_dentry, new_dir,
452 new_dentry);
453}
454
455int security_path_truncate(struct path *path, loff_t length,
456 unsigned int time_attrs)
457{
458 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
459 return 0;
460 return security_ops->path_truncate(path, length, time_attrs);
461}
89eda068
TH
462
463int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
464 mode_t mode)
465{
466 if (unlikely(IS_PRIVATE(dentry->d_inode)))
467 return 0;
468 return security_ops->path_chmod(dentry, mnt, mode);
469}
470
471int security_path_chown(struct path *path, uid_t uid, gid_t gid)
472{
473 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
474 return 0;
475 return security_ops->path_chown(path, uid, gid);
476}
8b8efb44
TH
477
478int security_path_chroot(struct path *path)
479{
480 return security_ops->path_chroot(path);
481}
be6d3e56
KT
482#endif
483
20510f2f
JM
484int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
485{
486 if (unlikely(IS_PRIVATE(dir)))
487 return 0;
488 return security_ops->inode_create(dir, dentry, mode);
489}
800a9647 490EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
491
492int security_inode_link(struct dentry *old_dentry, struct inode *dir,
493 struct dentry *new_dentry)
494{
495 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
496 return 0;
497 return security_ops->inode_link(old_dentry, dir, new_dentry);
498}
499
500int security_inode_unlink(struct inode *dir, struct dentry *dentry)
501{
502 if (unlikely(IS_PRIVATE(dentry->d_inode)))
503 return 0;
504 return security_ops->inode_unlink(dir, dentry);
505}
506
507int security_inode_symlink(struct inode *dir, struct dentry *dentry,
508 const char *old_name)
509{
510 if (unlikely(IS_PRIVATE(dir)))
511 return 0;
512 return security_ops->inode_symlink(dir, dentry, old_name);
513}
514
515int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
516{
517 if (unlikely(IS_PRIVATE(dir)))
518 return 0;
519 return security_ops->inode_mkdir(dir, dentry, mode);
520}
800a9647 521EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
522
523int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
524{
525 if (unlikely(IS_PRIVATE(dentry->d_inode)))
526 return 0;
527 return security_ops->inode_rmdir(dir, dentry);
528}
529
530int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
531{
532 if (unlikely(IS_PRIVATE(dir)))
533 return 0;
534 return security_ops->inode_mknod(dir, dentry, mode, dev);
535}
536
537int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
538 struct inode *new_dir, struct dentry *new_dentry)
539{
540 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
541 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
542 return 0;
543 return security_ops->inode_rename(old_dir, old_dentry,
544 new_dir, new_dentry);
545}
546
547int security_inode_readlink(struct dentry *dentry)
548{
549 if (unlikely(IS_PRIVATE(dentry->d_inode)))
550 return 0;
551 return security_ops->inode_readlink(dentry);
552}
553
554int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
555{
556 if (unlikely(IS_PRIVATE(dentry->d_inode)))
557 return 0;
558 return security_ops->inode_follow_link(dentry, nd);
559}
560
b77b0646 561int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
562{
563 if (unlikely(IS_PRIVATE(inode)))
564 return 0;
b77b0646 565 return security_ops->inode_permission(inode, mask);
20510f2f
JM
566}
567
568int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
569{
570 if (unlikely(IS_PRIVATE(dentry->d_inode)))
571 return 0;
572 return security_ops->inode_setattr(dentry, attr);
573}
b1da47e2 574EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
575
576int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
577{
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
579 return 0;
580 return security_ops->inode_getattr(mnt, dentry);
581}
582
583void security_inode_delete(struct inode *inode)
584{
585 if (unlikely(IS_PRIVATE(inode)))
586 return;
587 security_ops->inode_delete(inode);
588}
589
8f0cfa52
DH
590int security_inode_setxattr(struct dentry *dentry, const char *name,
591 const void *value, size_t size, int flags)
20510f2f
JM
592{
593 if (unlikely(IS_PRIVATE(dentry->d_inode)))
594 return 0;
595 return security_ops->inode_setxattr(dentry, name, value, size, flags);
596}
597
8f0cfa52
DH
598void security_inode_post_setxattr(struct dentry *dentry, const char *name,
599 const void *value, size_t size, int flags)
20510f2f
JM
600{
601 if (unlikely(IS_PRIVATE(dentry->d_inode)))
602 return;
603 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
604}
605
8f0cfa52 606int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
607{
608 if (unlikely(IS_PRIVATE(dentry->d_inode)))
609 return 0;
610 return security_ops->inode_getxattr(dentry, name);
611}
612
613int security_inode_listxattr(struct dentry *dentry)
614{
615 if (unlikely(IS_PRIVATE(dentry->d_inode)))
616 return 0;
617 return security_ops->inode_listxattr(dentry);
618}
619
8f0cfa52 620int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
621{
622 if (unlikely(IS_PRIVATE(dentry->d_inode)))
623 return 0;
624 return security_ops->inode_removexattr(dentry, name);
625}
626
b5376771
SH
627int security_inode_need_killpriv(struct dentry *dentry)
628{
629 return security_ops->inode_need_killpriv(dentry);
630}
631
632int security_inode_killpriv(struct dentry *dentry)
633{
634 return security_ops->inode_killpriv(dentry);
635}
636
42492594 637int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
638{
639 if (unlikely(IS_PRIVATE(inode)))
8d952504 640 return -EOPNOTSUPP;
42492594 641 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
642}
643
644int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
645{
646 if (unlikely(IS_PRIVATE(inode)))
8d952504 647 return -EOPNOTSUPP;
20510f2f
JM
648 return security_ops->inode_setsecurity(inode, name, value, size, flags);
649}
650
651int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
652{
653 if (unlikely(IS_PRIVATE(inode)))
654 return 0;
655 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
656}
657
8a076191
AD
658void security_inode_getsecid(const struct inode *inode, u32 *secid)
659{
660 security_ops->inode_getsecid(inode, secid);
661}
662
20510f2f
JM
663int security_file_permission(struct file *file, int mask)
664{
665 return security_ops->file_permission(file, mask);
666}
667
668int security_file_alloc(struct file *file)
669{
670 return security_ops->file_alloc_security(file);
671}
672
673void security_file_free(struct file *file)
674{
675 security_ops->file_free_security(file);
676}
677
678int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
679{
680 return security_ops->file_ioctl(file, cmd, arg);
681}
682
683int security_file_mmap(struct file *file, unsigned long reqprot,
684 unsigned long prot, unsigned long flags,
685 unsigned long addr, unsigned long addr_only)
686{
6c21a7fb
MZ
687 int ret;
688
689 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
690 if (ret)
691 return ret;
692 return ima_file_mmap(file, prot);
20510f2f
JM
693}
694
695int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
696 unsigned long prot)
697{
698 return security_ops->file_mprotect(vma, reqprot, prot);
699}
700
701int security_file_lock(struct file *file, unsigned int cmd)
702{
703 return security_ops->file_lock(file, cmd);
704}
705
706int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
707{
708 return security_ops->file_fcntl(file, cmd, arg);
709}
710
711int security_file_set_fowner(struct file *file)
712{
713 return security_ops->file_set_fowner(file);
714}
715
716int security_file_send_sigiotask(struct task_struct *tsk,
717 struct fown_struct *fown, int sig)
718{
719 return security_ops->file_send_sigiotask(tsk, fown, sig);
720}
721
722int security_file_receive(struct file *file)
723{
724 return security_ops->file_receive(file);
725}
726
745ca247 727int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 728{
745ca247 729 return security_ops->dentry_open(file, cred);
20510f2f
JM
730}
731
732int security_task_create(unsigned long clone_flags)
733{
734 return security_ops->task_create(clone_flags);
735}
736
ee18d64c
DH
737int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
738{
739 return security_ops->cred_alloc_blank(cred, gfp);
740}
741
d84f4f99 742void security_cred_free(struct cred *cred)
20510f2f 743{
d84f4f99 744 security_ops->cred_free(cred);
20510f2f
JM
745}
746
d84f4f99 747int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 748{
d84f4f99
DH
749 return security_ops->cred_prepare(new, old, gfp);
750}
751
752void security_commit_creds(struct cred *new, const struct cred *old)
753{
200036ca 754 security_ops->cred_commit(new, old);
20510f2f
JM
755}
756
ee18d64c
DH
757void security_transfer_creds(struct cred *new, const struct cred *old)
758{
759 security_ops->cred_transfer(new, old);
760}
761
3a3b7ce9
DH
762int security_kernel_act_as(struct cred *new, u32 secid)
763{
764 return security_ops->kernel_act_as(new, secid);
765}
766
767int security_kernel_create_files_as(struct cred *new, struct inode *inode)
768{
769 return security_ops->kernel_create_files_as(new, inode);
770}
771
dd8dbf2e 772int security_kernel_module_request(char *kmod_name)
9188499c 773{
dd8dbf2e 774 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
775}
776
20510f2f
JM
777int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
778{
779 return security_ops->task_setuid(id0, id1, id2, flags);
780}
781
d84f4f99
DH
782int security_task_fix_setuid(struct cred *new, const struct cred *old,
783 int flags)
20510f2f 784{
d84f4f99 785 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
786}
787
788int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
789{
790 return security_ops->task_setgid(id0, id1, id2, flags);
791}
792
793int security_task_setpgid(struct task_struct *p, pid_t pgid)
794{
795 return security_ops->task_setpgid(p, pgid);
796}
797
798int security_task_getpgid(struct task_struct *p)
799{
800 return security_ops->task_getpgid(p);
801}
802
803int security_task_getsid(struct task_struct *p)
804{
805 return security_ops->task_getsid(p);
806}
807
808void security_task_getsecid(struct task_struct *p, u32 *secid)
809{
810 security_ops->task_getsecid(p, secid);
811}
812EXPORT_SYMBOL(security_task_getsecid);
813
814int security_task_setgroups(struct group_info *group_info)
815{
816 return security_ops->task_setgroups(group_info);
817}
818
819int security_task_setnice(struct task_struct *p, int nice)
820{
821 return security_ops->task_setnice(p, nice);
822}
823
824int security_task_setioprio(struct task_struct *p, int ioprio)
825{
826 return security_ops->task_setioprio(p, ioprio);
827}
828
829int security_task_getioprio(struct task_struct *p)
830{
831 return security_ops->task_getioprio(p);
832}
833
834int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
835{
836 return security_ops->task_setrlimit(resource, new_rlim);
837}
838
839int security_task_setscheduler(struct task_struct *p,
840 int policy, struct sched_param *lp)
841{
842 return security_ops->task_setscheduler(p, policy, lp);
843}
844
845int security_task_getscheduler(struct task_struct *p)
846{
847 return security_ops->task_getscheduler(p);
848}
849
850int security_task_movememory(struct task_struct *p)
851{
852 return security_ops->task_movememory(p);
853}
854
855int security_task_kill(struct task_struct *p, struct siginfo *info,
856 int sig, u32 secid)
857{
858 return security_ops->task_kill(p, info, sig, secid);
859}
860
861int security_task_wait(struct task_struct *p)
862{
863 return security_ops->task_wait(p);
864}
865
866int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 867 unsigned long arg4, unsigned long arg5)
20510f2f 868{
d84f4f99 869 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
870}
871
872void security_task_to_inode(struct task_struct *p, struct inode *inode)
873{
874 security_ops->task_to_inode(p, inode);
875}
876
877int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
878{
879 return security_ops->ipc_permission(ipcp, flag);
880}
881
8a076191
AD
882void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
883{
884 security_ops->ipc_getsecid(ipcp, secid);
885}
886
20510f2f
JM
887int security_msg_msg_alloc(struct msg_msg *msg)
888{
889 return security_ops->msg_msg_alloc_security(msg);
890}
891
892void security_msg_msg_free(struct msg_msg *msg)
893{
894 security_ops->msg_msg_free_security(msg);
895}
896
897int security_msg_queue_alloc(struct msg_queue *msq)
898{
899 return security_ops->msg_queue_alloc_security(msq);
900}
901
902void security_msg_queue_free(struct msg_queue *msq)
903{
904 security_ops->msg_queue_free_security(msq);
905}
906
907int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
908{
909 return security_ops->msg_queue_associate(msq, msqflg);
910}
911
912int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
913{
914 return security_ops->msg_queue_msgctl(msq, cmd);
915}
916
917int security_msg_queue_msgsnd(struct msg_queue *msq,
918 struct msg_msg *msg, int msqflg)
919{
920 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
921}
922
923int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
924 struct task_struct *target, long type, int mode)
925{
926 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
927}
928
929int security_shm_alloc(struct shmid_kernel *shp)
930{
931 return security_ops->shm_alloc_security(shp);
932}
933
934void security_shm_free(struct shmid_kernel *shp)
935{
936 security_ops->shm_free_security(shp);
937}
938
939int security_shm_associate(struct shmid_kernel *shp, int shmflg)
940{
941 return security_ops->shm_associate(shp, shmflg);
942}
943
944int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
945{
946 return security_ops->shm_shmctl(shp, cmd);
947}
948
949int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
950{
951 return security_ops->shm_shmat(shp, shmaddr, shmflg);
952}
953
954int security_sem_alloc(struct sem_array *sma)
955{
956 return security_ops->sem_alloc_security(sma);
957}
958
959void security_sem_free(struct sem_array *sma)
960{
961 security_ops->sem_free_security(sma);
962}
963
964int security_sem_associate(struct sem_array *sma, int semflg)
965{
966 return security_ops->sem_associate(sma, semflg);
967}
968
969int security_sem_semctl(struct sem_array *sma, int cmd)
970{
971 return security_ops->sem_semctl(sma, cmd);
972}
973
974int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
975 unsigned nsops, int alter)
976{
977 return security_ops->sem_semop(sma, sops, nsops, alter);
978}
979
980void security_d_instantiate(struct dentry *dentry, struct inode *inode)
981{
982 if (unlikely(inode && IS_PRIVATE(inode)))
983 return;
984 security_ops->d_instantiate(dentry, inode);
985}
986EXPORT_SYMBOL(security_d_instantiate);
987
988int security_getprocattr(struct task_struct *p, char *name, char **value)
989{
990 return security_ops->getprocattr(p, name, value);
991}
992
993int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
994{
995 return security_ops->setprocattr(p, name, value, size);
996}
997
998int security_netlink_send(struct sock *sk, struct sk_buff *skb)
999{
1000 return security_ops->netlink_send(sk, skb);
1001}
20510f2f
JM
1002
1003int security_netlink_recv(struct sk_buff *skb, int cap)
1004{
1005 return security_ops->netlink_recv(skb, cap);
1006}
1007EXPORT_SYMBOL(security_netlink_recv);
1008
1009int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1010{
1011 return security_ops->secid_to_secctx(secid, secdata, seclen);
1012}
1013EXPORT_SYMBOL(security_secid_to_secctx);
1014
7bf570dc 1015int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
1016{
1017 return security_ops->secctx_to_secid(secdata, seclen, secid);
1018}
1019EXPORT_SYMBOL(security_secctx_to_secid);
1020
20510f2f
JM
1021void security_release_secctx(char *secdata, u32 seclen)
1022{
65fc7668 1023 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
1024}
1025EXPORT_SYMBOL(security_release_secctx);
1026
1ee65e37
DQ
1027int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1028{
1029 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1030}
1031EXPORT_SYMBOL(security_inode_notifysecctx);
1032
1033int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1034{
1035 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1036}
1037EXPORT_SYMBOL(security_inode_setsecctx);
1038
1039int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1040{
1041 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1042}
1043EXPORT_SYMBOL(security_inode_getsecctx);
1044
20510f2f
JM
1045#ifdef CONFIG_SECURITY_NETWORK
1046
1047int security_unix_stream_connect(struct socket *sock, struct socket *other,
1048 struct sock *newsk)
1049{
1050 return security_ops->unix_stream_connect(sock, other, newsk);
1051}
1052EXPORT_SYMBOL(security_unix_stream_connect);
1053
1054int security_unix_may_send(struct socket *sock, struct socket *other)
1055{
1056 return security_ops->unix_may_send(sock, other);
1057}
1058EXPORT_SYMBOL(security_unix_may_send);
1059
1060int security_socket_create(int family, int type, int protocol, int kern)
1061{
1062 return security_ops->socket_create(family, type, protocol, kern);
1063}
1064
1065int security_socket_post_create(struct socket *sock, int family,
1066 int type, int protocol, int kern)
1067{
1068 return security_ops->socket_post_create(sock, family, type,
1069 protocol, kern);
1070}
1071
1072int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1073{
1074 return security_ops->socket_bind(sock, address, addrlen);
1075}
1076
1077int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1078{
1079 return security_ops->socket_connect(sock, address, addrlen);
1080}
1081
1082int security_socket_listen(struct socket *sock, int backlog)
1083{
1084 return security_ops->socket_listen(sock, backlog);
1085}
1086
1087int security_socket_accept(struct socket *sock, struct socket *newsock)
1088{
1089 return security_ops->socket_accept(sock, newsock);
1090}
1091
20510f2f
JM
1092int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1093{
1094 return security_ops->socket_sendmsg(sock, msg, size);
1095}
1096
1097int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1098 int size, int flags)
1099{
1100 return security_ops->socket_recvmsg(sock, msg, size, flags);
1101}
1102
1103int security_socket_getsockname(struct socket *sock)
1104{
1105 return security_ops->socket_getsockname(sock);
1106}
1107
1108int security_socket_getpeername(struct socket *sock)
1109{
1110 return security_ops->socket_getpeername(sock);
1111}
1112
1113int security_socket_getsockopt(struct socket *sock, int level, int optname)
1114{
1115 return security_ops->socket_getsockopt(sock, level, optname);
1116}
1117
1118int security_socket_setsockopt(struct socket *sock, int level, int optname)
1119{
1120 return security_ops->socket_setsockopt(sock, level, optname);
1121}
1122
1123int security_socket_shutdown(struct socket *sock, int how)
1124{
1125 return security_ops->socket_shutdown(sock, how);
1126}
1127
1128int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1129{
1130 return security_ops->socket_sock_rcv_skb(sk, skb);
1131}
1132EXPORT_SYMBOL(security_sock_rcv_skb);
1133
1134int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1135 int __user *optlen, unsigned len)
1136{
1137 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1138}
1139
1140int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1141{
1142 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1143}
1144EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1145
1146int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1147{
1148 return security_ops->sk_alloc_security(sk, family, priority);
1149}
1150
1151void security_sk_free(struct sock *sk)
1152{
65fc7668 1153 security_ops->sk_free_security(sk);
20510f2f
JM
1154}
1155
1156void security_sk_clone(const struct sock *sk, struct sock *newsk)
1157{
65fc7668 1158 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1159}
1160
1161void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1162{
1163 security_ops->sk_getsecid(sk, &fl->secid);
1164}
1165EXPORT_SYMBOL(security_sk_classify_flow);
1166
1167void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1168{
1169 security_ops->req_classify_flow(req, fl);
1170}
1171EXPORT_SYMBOL(security_req_classify_flow);
1172
1173void security_sock_graft(struct sock *sk, struct socket *parent)
1174{
1175 security_ops->sock_graft(sk, parent);
1176}
1177EXPORT_SYMBOL(security_sock_graft);
1178
1179int security_inet_conn_request(struct sock *sk,
1180 struct sk_buff *skb, struct request_sock *req)
1181{
1182 return security_ops->inet_conn_request(sk, skb, req);
1183}
1184EXPORT_SYMBOL(security_inet_conn_request);
1185
1186void security_inet_csk_clone(struct sock *newsk,
1187 const struct request_sock *req)
1188{
1189 security_ops->inet_csk_clone(newsk, req);
1190}
1191
1192void security_inet_conn_established(struct sock *sk,
1193 struct sk_buff *skb)
1194{
1195 security_ops->inet_conn_established(sk, skb);
1196}
1197
2b980dbd
PM
1198int security_tun_dev_create(void)
1199{
1200 return security_ops->tun_dev_create();
1201}
1202EXPORT_SYMBOL(security_tun_dev_create);
1203
1204void security_tun_dev_post_create(struct sock *sk)
1205{
1206 return security_ops->tun_dev_post_create(sk);
1207}
1208EXPORT_SYMBOL(security_tun_dev_post_create);
1209
1210int security_tun_dev_attach(struct sock *sk)
1211{
1212 return security_ops->tun_dev_attach(sk);
1213}
1214EXPORT_SYMBOL(security_tun_dev_attach);
1215
20510f2f
JM
1216#endif /* CONFIG_SECURITY_NETWORK */
1217
1218#ifdef CONFIG_SECURITY_NETWORK_XFRM
1219
03e1ad7b 1220int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1221{
03e1ad7b 1222 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1223}
1224EXPORT_SYMBOL(security_xfrm_policy_alloc);
1225
03e1ad7b
PM
1226int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1227 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1228{
03e1ad7b 1229 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1230}
1231
03e1ad7b 1232void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1233{
03e1ad7b 1234 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1235}
1236EXPORT_SYMBOL(security_xfrm_policy_free);
1237
03e1ad7b 1238int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1239{
03e1ad7b 1240 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1241}
1242
1243int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1244{
1245 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1246}
1247EXPORT_SYMBOL(security_xfrm_state_alloc);
1248
1249int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1250 struct xfrm_sec_ctx *polsec, u32 secid)
1251{
1252 if (!polsec)
1253 return 0;
1254 /*
1255 * We want the context to be taken from secid which is usually
1256 * from the sock.
1257 */
1258 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1259}
1260
1261int security_xfrm_state_delete(struct xfrm_state *x)
1262{
1263 return security_ops->xfrm_state_delete_security(x);
1264}
1265EXPORT_SYMBOL(security_xfrm_state_delete);
1266
1267void security_xfrm_state_free(struct xfrm_state *x)
1268{
1269 security_ops->xfrm_state_free_security(x);
1270}
1271
03e1ad7b 1272int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1273{
03e1ad7b 1274 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1275}
1276
1277int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1278 struct xfrm_policy *xp, struct flowi *fl)
1279{
1280 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1281}
1282
1283int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1284{
1285 return security_ops->xfrm_decode_session(skb, secid, 1);
1286}
1287
1288void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1289{
1290 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1291
1292 BUG_ON(rc);
1293}
1294EXPORT_SYMBOL(security_skb_classify_flow);
1295
1296#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1297
1298#ifdef CONFIG_KEYS
1299
d84f4f99
DH
1300int security_key_alloc(struct key *key, const struct cred *cred,
1301 unsigned long flags)
20510f2f 1302{
d84f4f99 1303 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1304}
1305
1306void security_key_free(struct key *key)
1307{
1308 security_ops->key_free(key);
1309}
1310
1311int security_key_permission(key_ref_t key_ref,
d84f4f99 1312 const struct cred *cred, key_perm_t perm)
20510f2f 1313{
d84f4f99 1314 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1315}
1316
70a5bb72
DH
1317int security_key_getsecurity(struct key *key, char **_buffer)
1318{
1319 return security_ops->key_getsecurity(key, _buffer);
1320}
1321
ee18d64c
DH
1322int security_key_session_to_parent(const struct cred *cred,
1323 const struct cred *parent_cred,
1324 struct key *key)
1325{
1326 return security_ops->key_session_to_parent(cred, parent_cred, key);
1327}
1328
20510f2f 1329#endif /* CONFIG_KEYS */
03d37d25
AD
1330
1331#ifdef CONFIG_AUDIT
1332
1333int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1334{
1335 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1336}
1337
1338int security_audit_rule_known(struct audit_krule *krule)
1339{
1340 return security_ops->audit_rule_known(krule);
1341}
1342
1343void security_audit_rule_free(void *lsmrule)
1344{
1345 security_ops->audit_rule_free(lsmrule);
1346}
1347
1348int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1349 struct audit_context *actx)
1350{
1351 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1352}
1353
1354#endif /* CONFIG_AUDIT */