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Security: add static to security_ops and default_security_ops variable
[net-next-2.6.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
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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);
6c21a7fb
MZ
676 if (file->f_dentry)
677 ima_file_free(file);
20510f2f
JM
678}
679
680int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
681{
682 return security_ops->file_ioctl(file, cmd, arg);
683}
684
685int security_file_mmap(struct file *file, unsigned long reqprot,
686 unsigned long prot, unsigned long flags,
687 unsigned long addr, unsigned long addr_only)
688{
6c21a7fb
MZ
689 int ret;
690
691 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
692 if (ret)
693 return ret;
694 return ima_file_mmap(file, prot);
20510f2f
JM
695}
696
697int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
698 unsigned long prot)
699{
700 return security_ops->file_mprotect(vma, reqprot, prot);
701}
702
703int security_file_lock(struct file *file, unsigned int cmd)
704{
705 return security_ops->file_lock(file, cmd);
706}
707
708int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
709{
710 return security_ops->file_fcntl(file, cmd, arg);
711}
712
713int security_file_set_fowner(struct file *file)
714{
715 return security_ops->file_set_fowner(file);
716}
717
718int security_file_send_sigiotask(struct task_struct *tsk,
719 struct fown_struct *fown, int sig)
720{
721 return security_ops->file_send_sigiotask(tsk, fown, sig);
722}
723
724int security_file_receive(struct file *file)
725{
726 return security_ops->file_receive(file);
727}
728
745ca247 729int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 730{
745ca247 731 return security_ops->dentry_open(file, cred);
20510f2f
JM
732}
733
734int security_task_create(unsigned long clone_flags)
735{
736 return security_ops->task_create(clone_flags);
737}
738
ee18d64c
DH
739int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
740{
741 return security_ops->cred_alloc_blank(cred, gfp);
742}
743
d84f4f99 744void security_cred_free(struct cred *cred)
20510f2f 745{
d84f4f99 746 security_ops->cred_free(cred);
20510f2f
JM
747}
748
d84f4f99 749int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 750{
d84f4f99
DH
751 return security_ops->cred_prepare(new, old, gfp);
752}
753
754void security_commit_creds(struct cred *new, const struct cred *old)
755{
200036ca 756 security_ops->cred_commit(new, old);
20510f2f
JM
757}
758
ee18d64c
DH
759void security_transfer_creds(struct cred *new, const struct cred *old)
760{
761 security_ops->cred_transfer(new, old);
762}
763
3a3b7ce9
DH
764int security_kernel_act_as(struct cred *new, u32 secid)
765{
766 return security_ops->kernel_act_as(new, secid);
767}
768
769int security_kernel_create_files_as(struct cred *new, struct inode *inode)
770{
771 return security_ops->kernel_create_files_as(new, inode);
772}
773
dd8dbf2e 774int security_kernel_module_request(char *kmod_name)
9188499c 775{
dd8dbf2e 776 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
777}
778
20510f2f
JM
779int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
780{
781 return security_ops->task_setuid(id0, id1, id2, flags);
782}
783
d84f4f99
DH
784int security_task_fix_setuid(struct cred *new, const struct cred *old,
785 int flags)
20510f2f 786{
d84f4f99 787 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
788}
789
790int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
791{
792 return security_ops->task_setgid(id0, id1, id2, flags);
793}
794
795int security_task_setpgid(struct task_struct *p, pid_t pgid)
796{
797 return security_ops->task_setpgid(p, pgid);
798}
799
800int security_task_getpgid(struct task_struct *p)
801{
802 return security_ops->task_getpgid(p);
803}
804
805int security_task_getsid(struct task_struct *p)
806{
807 return security_ops->task_getsid(p);
808}
809
810void security_task_getsecid(struct task_struct *p, u32 *secid)
811{
812 security_ops->task_getsecid(p, secid);
813}
814EXPORT_SYMBOL(security_task_getsecid);
815
816int security_task_setgroups(struct group_info *group_info)
817{
818 return security_ops->task_setgroups(group_info);
819}
820
821int security_task_setnice(struct task_struct *p, int nice)
822{
823 return security_ops->task_setnice(p, nice);
824}
825
826int security_task_setioprio(struct task_struct *p, int ioprio)
827{
828 return security_ops->task_setioprio(p, ioprio);
829}
830
831int security_task_getioprio(struct task_struct *p)
832{
833 return security_ops->task_getioprio(p);
834}
835
836int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
837{
838 return security_ops->task_setrlimit(resource, new_rlim);
839}
840
841int security_task_setscheduler(struct task_struct *p,
842 int policy, struct sched_param *lp)
843{
844 return security_ops->task_setscheduler(p, policy, lp);
845}
846
847int security_task_getscheduler(struct task_struct *p)
848{
849 return security_ops->task_getscheduler(p);
850}
851
852int security_task_movememory(struct task_struct *p)
853{
854 return security_ops->task_movememory(p);
855}
856
857int security_task_kill(struct task_struct *p, struct siginfo *info,
858 int sig, u32 secid)
859{
860 return security_ops->task_kill(p, info, sig, secid);
861}
862
863int security_task_wait(struct task_struct *p)
864{
865 return security_ops->task_wait(p);
866}
867
868int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 869 unsigned long arg4, unsigned long arg5)
20510f2f 870{
d84f4f99 871 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
872}
873
874void security_task_to_inode(struct task_struct *p, struct inode *inode)
875{
876 security_ops->task_to_inode(p, inode);
877}
878
879int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
880{
881 return security_ops->ipc_permission(ipcp, flag);
882}
883
8a076191
AD
884void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
885{
886 security_ops->ipc_getsecid(ipcp, secid);
887}
888
20510f2f
JM
889int security_msg_msg_alloc(struct msg_msg *msg)
890{
891 return security_ops->msg_msg_alloc_security(msg);
892}
893
894void security_msg_msg_free(struct msg_msg *msg)
895{
896 security_ops->msg_msg_free_security(msg);
897}
898
899int security_msg_queue_alloc(struct msg_queue *msq)
900{
901 return security_ops->msg_queue_alloc_security(msq);
902}
903
904void security_msg_queue_free(struct msg_queue *msq)
905{
906 security_ops->msg_queue_free_security(msq);
907}
908
909int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
910{
911 return security_ops->msg_queue_associate(msq, msqflg);
912}
913
914int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
915{
916 return security_ops->msg_queue_msgctl(msq, cmd);
917}
918
919int security_msg_queue_msgsnd(struct msg_queue *msq,
920 struct msg_msg *msg, int msqflg)
921{
922 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
923}
924
925int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
926 struct task_struct *target, long type, int mode)
927{
928 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
929}
930
931int security_shm_alloc(struct shmid_kernel *shp)
932{
933 return security_ops->shm_alloc_security(shp);
934}
935
936void security_shm_free(struct shmid_kernel *shp)
937{
938 security_ops->shm_free_security(shp);
939}
940
941int security_shm_associate(struct shmid_kernel *shp, int shmflg)
942{
943 return security_ops->shm_associate(shp, shmflg);
944}
945
946int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
947{
948 return security_ops->shm_shmctl(shp, cmd);
949}
950
951int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
952{
953 return security_ops->shm_shmat(shp, shmaddr, shmflg);
954}
955
956int security_sem_alloc(struct sem_array *sma)
957{
958 return security_ops->sem_alloc_security(sma);
959}
960
961void security_sem_free(struct sem_array *sma)
962{
963 security_ops->sem_free_security(sma);
964}
965
966int security_sem_associate(struct sem_array *sma, int semflg)
967{
968 return security_ops->sem_associate(sma, semflg);
969}
970
971int security_sem_semctl(struct sem_array *sma, int cmd)
972{
973 return security_ops->sem_semctl(sma, cmd);
974}
975
976int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
977 unsigned nsops, int alter)
978{
979 return security_ops->sem_semop(sma, sops, nsops, alter);
980}
981
982void security_d_instantiate(struct dentry *dentry, struct inode *inode)
983{
984 if (unlikely(inode && IS_PRIVATE(inode)))
985 return;
986 security_ops->d_instantiate(dentry, inode);
987}
988EXPORT_SYMBOL(security_d_instantiate);
989
990int security_getprocattr(struct task_struct *p, char *name, char **value)
991{
992 return security_ops->getprocattr(p, name, value);
993}
994
995int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
996{
997 return security_ops->setprocattr(p, name, value, size);
998}
999
1000int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1001{
1002 return security_ops->netlink_send(sk, skb);
1003}
20510f2f
JM
1004
1005int security_netlink_recv(struct sk_buff *skb, int cap)
1006{
1007 return security_ops->netlink_recv(skb, cap);
1008}
1009EXPORT_SYMBOL(security_netlink_recv);
1010
1011int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1012{
1013 return security_ops->secid_to_secctx(secid, secdata, seclen);
1014}
1015EXPORT_SYMBOL(security_secid_to_secctx);
1016
7bf570dc 1017int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
1018{
1019 return security_ops->secctx_to_secid(secdata, seclen, secid);
1020}
1021EXPORT_SYMBOL(security_secctx_to_secid);
1022
20510f2f
JM
1023void security_release_secctx(char *secdata, u32 seclen)
1024{
65fc7668 1025 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
1026}
1027EXPORT_SYMBOL(security_release_secctx);
1028
1ee65e37
DQ
1029int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1030{
1031 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1032}
1033EXPORT_SYMBOL(security_inode_notifysecctx);
1034
1035int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1036{
1037 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1038}
1039EXPORT_SYMBOL(security_inode_setsecctx);
1040
1041int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1042{
1043 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1044}
1045EXPORT_SYMBOL(security_inode_getsecctx);
1046
20510f2f
JM
1047#ifdef CONFIG_SECURITY_NETWORK
1048
1049int security_unix_stream_connect(struct socket *sock, struct socket *other,
1050 struct sock *newsk)
1051{
1052 return security_ops->unix_stream_connect(sock, other, newsk);
1053}
1054EXPORT_SYMBOL(security_unix_stream_connect);
1055
1056int security_unix_may_send(struct socket *sock, struct socket *other)
1057{
1058 return security_ops->unix_may_send(sock, other);
1059}
1060EXPORT_SYMBOL(security_unix_may_send);
1061
1062int security_socket_create(int family, int type, int protocol, int kern)
1063{
1064 return security_ops->socket_create(family, type, protocol, kern);
1065}
1066
1067int security_socket_post_create(struct socket *sock, int family,
1068 int type, int protocol, int kern)
1069{
1070 return security_ops->socket_post_create(sock, family, type,
1071 protocol, kern);
1072}
1073
1074int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1075{
1076 return security_ops->socket_bind(sock, address, addrlen);
1077}
1078
1079int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1080{
1081 return security_ops->socket_connect(sock, address, addrlen);
1082}
1083
1084int security_socket_listen(struct socket *sock, int backlog)
1085{
1086 return security_ops->socket_listen(sock, backlog);
1087}
1088
1089int security_socket_accept(struct socket *sock, struct socket *newsock)
1090{
1091 return security_ops->socket_accept(sock, newsock);
1092}
1093
20510f2f
JM
1094int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1095{
1096 return security_ops->socket_sendmsg(sock, msg, size);
1097}
1098
1099int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1100 int size, int flags)
1101{
1102 return security_ops->socket_recvmsg(sock, msg, size, flags);
1103}
1104
1105int security_socket_getsockname(struct socket *sock)
1106{
1107 return security_ops->socket_getsockname(sock);
1108}
1109
1110int security_socket_getpeername(struct socket *sock)
1111{
1112 return security_ops->socket_getpeername(sock);
1113}
1114
1115int security_socket_getsockopt(struct socket *sock, int level, int optname)
1116{
1117 return security_ops->socket_getsockopt(sock, level, optname);
1118}
1119
1120int security_socket_setsockopt(struct socket *sock, int level, int optname)
1121{
1122 return security_ops->socket_setsockopt(sock, level, optname);
1123}
1124
1125int security_socket_shutdown(struct socket *sock, int how)
1126{
1127 return security_ops->socket_shutdown(sock, how);
1128}
1129
1130int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1131{
1132 return security_ops->socket_sock_rcv_skb(sk, skb);
1133}
1134EXPORT_SYMBOL(security_sock_rcv_skb);
1135
1136int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1137 int __user *optlen, unsigned len)
1138{
1139 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1140}
1141
1142int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1143{
1144 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1145}
1146EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1147
1148int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1149{
1150 return security_ops->sk_alloc_security(sk, family, priority);
1151}
1152
1153void security_sk_free(struct sock *sk)
1154{
65fc7668 1155 security_ops->sk_free_security(sk);
20510f2f
JM
1156}
1157
1158void security_sk_clone(const struct sock *sk, struct sock *newsk)
1159{
65fc7668 1160 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1161}
1162
1163void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1164{
1165 security_ops->sk_getsecid(sk, &fl->secid);
1166}
1167EXPORT_SYMBOL(security_sk_classify_flow);
1168
1169void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1170{
1171 security_ops->req_classify_flow(req, fl);
1172}
1173EXPORT_SYMBOL(security_req_classify_flow);
1174
1175void security_sock_graft(struct sock *sk, struct socket *parent)
1176{
1177 security_ops->sock_graft(sk, parent);
1178}
1179EXPORT_SYMBOL(security_sock_graft);
1180
1181int security_inet_conn_request(struct sock *sk,
1182 struct sk_buff *skb, struct request_sock *req)
1183{
1184 return security_ops->inet_conn_request(sk, skb, req);
1185}
1186EXPORT_SYMBOL(security_inet_conn_request);
1187
1188void security_inet_csk_clone(struct sock *newsk,
1189 const struct request_sock *req)
1190{
1191 security_ops->inet_csk_clone(newsk, req);
1192}
1193
1194void security_inet_conn_established(struct sock *sk,
1195 struct sk_buff *skb)
1196{
1197 security_ops->inet_conn_established(sk, skb);
1198}
1199
2b980dbd
PM
1200int security_tun_dev_create(void)
1201{
1202 return security_ops->tun_dev_create();
1203}
1204EXPORT_SYMBOL(security_tun_dev_create);
1205
1206void security_tun_dev_post_create(struct sock *sk)
1207{
1208 return security_ops->tun_dev_post_create(sk);
1209}
1210EXPORT_SYMBOL(security_tun_dev_post_create);
1211
1212int security_tun_dev_attach(struct sock *sk)
1213{
1214 return security_ops->tun_dev_attach(sk);
1215}
1216EXPORT_SYMBOL(security_tun_dev_attach);
1217
20510f2f
JM
1218#endif /* CONFIG_SECURITY_NETWORK */
1219
1220#ifdef CONFIG_SECURITY_NETWORK_XFRM
1221
03e1ad7b 1222int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1223{
03e1ad7b 1224 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1225}
1226EXPORT_SYMBOL(security_xfrm_policy_alloc);
1227
03e1ad7b
PM
1228int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1229 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1230{
03e1ad7b 1231 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1232}
1233
03e1ad7b 1234void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1235{
03e1ad7b 1236 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1237}
1238EXPORT_SYMBOL(security_xfrm_policy_free);
1239
03e1ad7b 1240int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1241{
03e1ad7b 1242 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1243}
1244
1245int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1246{
1247 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1248}
1249EXPORT_SYMBOL(security_xfrm_state_alloc);
1250
1251int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1252 struct xfrm_sec_ctx *polsec, u32 secid)
1253{
1254 if (!polsec)
1255 return 0;
1256 /*
1257 * We want the context to be taken from secid which is usually
1258 * from the sock.
1259 */
1260 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1261}
1262
1263int security_xfrm_state_delete(struct xfrm_state *x)
1264{
1265 return security_ops->xfrm_state_delete_security(x);
1266}
1267EXPORT_SYMBOL(security_xfrm_state_delete);
1268
1269void security_xfrm_state_free(struct xfrm_state *x)
1270{
1271 security_ops->xfrm_state_free_security(x);
1272}
1273
03e1ad7b 1274int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1275{
03e1ad7b 1276 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1277}
1278
1279int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1280 struct xfrm_policy *xp, struct flowi *fl)
1281{
1282 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1283}
1284
1285int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1286{
1287 return security_ops->xfrm_decode_session(skb, secid, 1);
1288}
1289
1290void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1291{
1292 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1293
1294 BUG_ON(rc);
1295}
1296EXPORT_SYMBOL(security_skb_classify_flow);
1297
1298#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1299
1300#ifdef CONFIG_KEYS
1301
d84f4f99
DH
1302int security_key_alloc(struct key *key, const struct cred *cred,
1303 unsigned long flags)
20510f2f 1304{
d84f4f99 1305 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1306}
1307
1308void security_key_free(struct key *key)
1309{
1310 security_ops->key_free(key);
1311}
1312
1313int security_key_permission(key_ref_t key_ref,
d84f4f99 1314 const struct cred *cred, key_perm_t perm)
20510f2f 1315{
d84f4f99 1316 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1317}
1318
70a5bb72
DH
1319int security_key_getsecurity(struct key *key, char **_buffer)
1320{
1321 return security_ops->key_getsecurity(key, _buffer);
1322}
1323
ee18d64c
DH
1324int security_key_session_to_parent(const struct cred *cred,
1325 const struct cred *parent_cred,
1326 struct key *key)
1327{
1328 return security_ops->key_session_to_parent(cred, parent_cred, key);
1329}
1330
20510f2f 1331#endif /* CONFIG_KEYS */
03d37d25
AD
1332
1333#ifdef CONFIG_AUDIT
1334
1335int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1336{
1337 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1338}
1339
1340int security_audit_rule_known(struct audit_krule *krule)
1341{
1342 return security_ops->audit_rule_known(krule);
1343}
1344
1345void security_audit_rule_free(void *lsmrule)
1346{
1347 security_ops->audit_rule_free(lsmrule);
1348}
1349
1350int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1351 struct audit_context *actx)
1352{
1353 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1354}
1355
1356#endif /* CONFIG_AUDIT */