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Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linux
[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
MS
25/* things that live in capability.c */
26extern struct security_operations default_security_ops;
1da177e4
LT
27extern void security_fixup_ops(struct security_operations *ops);
28
29struct security_operations *security_ops; /* Initialized to NULL */
a5ecbcb8 30
1da177e4
LT
31static inline int verify(struct security_operations *ops)
32{
33 /* verify the security_operations structure exists */
34 if (!ops)
35 return -EINVAL;
36 security_fixup_ops(ops);
37 return 0;
38}
39
40static void __init do_security_initcalls(void)
41{
42 initcall_t *call;
43 call = __security_initcall_start;
44 while (call < __security_initcall_end) {
45 (*call) ();
46 call++;
47 }
48}
49
50/**
51 * security_init - initializes the security framework
52 *
53 * This should be called early in the kernel initialization sequence.
54 */
55int __init security_init(void)
56{
20510f2f 57 printk(KERN_INFO "Security Framework initialized\n");
1da177e4 58
5915eb53
MS
59 security_fixup_ops(&default_security_ops);
60 security_ops = &default_security_ops;
1da177e4
LT
61 do_security_initcalls();
62
63 return 0;
64}
65
076c54c5
AD
66/* Save user chosen LSM */
67static int __init choose_lsm(char *str)
68{
69 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
70 return 1;
71}
72__setup("security=", choose_lsm);
73
74/**
75 * security_module_enable - Load given security module on boot ?
76 * @ops: a pointer to the struct security_operations that is to be checked.
77 *
78 * Each LSM must pass this method before registering its own operations
79 * to avoid security registration races. This method may also be used
7cea51be 80 * to check if your LSM is currently loaded during kernel initialization.
076c54c5
AD
81 *
82 * Return true if:
83 * -The passed LSM is the one chosen by user at boot time,
6e65f92f
JJ
84 * -or the passed LSM is configured as the default and the user did not
85 * choose an alternate LSM at boot time,
86 * -or there is no default LSM set and the user didn't specify a
87 * specific LSM and we're the first to ask for registration permission,
076c54c5
AD
88 * -or the passed LSM is currently loaded.
89 * Otherwise, return false.
90 */
91int __init security_module_enable(struct security_operations *ops)
92{
93 if (!*chosen_lsm)
94 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
95 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
96 return 0;
97
98 return 1;
99}
100
1da177e4
LT
101/**
102 * register_security - registers a security framework with the kernel
103 * @ops: a pointer to the struct security_options that is to be registered
104 *
3f23d815 105 * This function allows a security module to register itself with the
1da177e4 106 * kernel security subsystem. Some rudimentary checking is done on the @ops
076c54c5
AD
107 * value passed to this function. You'll need to check first if your LSM
108 * is allowed to register its @ops by calling security_module_enable(@ops).
1da177e4
LT
109 *
110 * If there is already a security module registered with the kernel,
3f23d815 111 * an error will be returned. Otherwise %0 is returned on success.
1da177e4
LT
112 */
113int register_security(struct security_operations *ops)
114{
115 if (verify(ops)) {
116 printk(KERN_DEBUG "%s could not verify "
dd6f953a 117 "security_operations structure.\n", __func__);
1da177e4
LT
118 return -EINVAL;
119 }
120
5915eb53 121 if (security_ops != &default_security_ops)
1da177e4
LT
122 return -EAGAIN;
123
124 security_ops = ops;
125
126 return 0;
127}
128
20510f2f
JM
129/* Security operations */
130
9e48858f 131int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
20510f2f 132{
9e48858f 133 return security_ops->ptrace_access_check(child, mode);
5cd9c58f
DH
134}
135
136int security_ptrace_traceme(struct task_struct *parent)
137{
138 return security_ops->ptrace_traceme(parent);
20510f2f
JM
139}
140
141int security_capget(struct task_struct *target,
142 kernel_cap_t *effective,
143 kernel_cap_t *inheritable,
144 kernel_cap_t *permitted)
145{
146 return security_ops->capget(target, effective, inheritable, permitted);
147}
148
d84f4f99
DH
149int security_capset(struct cred *new, const struct cred *old,
150 const kernel_cap_t *effective,
151 const kernel_cap_t *inheritable,
152 const kernel_cap_t *permitted)
20510f2f 153{
d84f4f99
DH
154 return security_ops->capset(new, old,
155 effective, inheritable, permitted);
20510f2f
JM
156}
157
3699c53c 158int security_capable(int cap)
20510f2f 159{
3699c53c
DH
160 return security_ops->capable(current, current_cred(), cap,
161 SECURITY_CAP_AUDIT);
06112163
EP
162}
163
3699c53c 164int security_real_capable(struct task_struct *tsk, int cap)
06112163 165{
3699c53c
DH
166 const struct cred *cred;
167 int ret;
168
169 cred = get_task_cred(tsk);
170 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
171 put_cred(cred);
172 return ret;
173}
174
175int security_real_capable_noaudit(struct task_struct *tsk, int cap)
176{
177 const struct cred *cred;
178 int ret;
179
180 cred = get_task_cred(tsk);
181 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
182 put_cred(cred);
183 return ret;
20510f2f
JM
184}
185
186int security_acct(struct file *file)
187{
188 return security_ops->acct(file);
189}
190
191int security_sysctl(struct ctl_table *table, int op)
192{
193 return security_ops->sysctl(table, op);
194}
195
196int security_quotactl(int cmds, int type, int id, struct super_block *sb)
197{
198 return security_ops->quotactl(cmds, type, id, sb);
199}
200
201int security_quota_on(struct dentry *dentry)
202{
203 return security_ops->quota_on(dentry);
204}
205
206int security_syslog(int type)
207{
208 return security_ops->syslog(type);
209}
210
211int security_settime(struct timespec *ts, struct timezone *tz)
212{
213 return security_ops->settime(ts, tz);
214}
215
216int security_vm_enough_memory(long pages)
217{
731572d3 218 WARN_ON(current->mm == NULL);
20510f2f
JM
219 return security_ops->vm_enough_memory(current->mm, pages);
220}
221
222int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
223{
731572d3 224 WARN_ON(mm == NULL);
20510f2f
JM
225 return security_ops->vm_enough_memory(mm, pages);
226}
227
731572d3
AC
228int security_vm_enough_memory_kern(long pages)
229{
230 /* If current->mm is a kernel thread then we will pass NULL,
231 for this specific case that is fine */
232 return security_ops->vm_enough_memory(current->mm, pages);
233}
234
a6f76f23 235int security_bprm_set_creds(struct linux_binprm *bprm)
20510f2f 236{
a6f76f23 237 return security_ops->bprm_set_creds(bprm);
20510f2f
JM
238}
239
a6f76f23 240int security_bprm_check(struct linux_binprm *bprm)
20510f2f 241{
6c21a7fb
MZ
242 int ret;
243
244 ret = security_ops->bprm_check_security(bprm);
245 if (ret)
246 return ret;
247 return ima_bprm_check(bprm);
20510f2f
JM
248}
249
a6f76f23 250void security_bprm_committing_creds(struct linux_binprm *bprm)
20510f2f 251{
200036ca 252 security_ops->bprm_committing_creds(bprm);
20510f2f
JM
253}
254
a6f76f23 255void security_bprm_committed_creds(struct linux_binprm *bprm)
20510f2f 256{
200036ca 257 security_ops->bprm_committed_creds(bprm);
20510f2f
JM
258}
259
260int security_bprm_secureexec(struct linux_binprm *bprm)
261{
262 return security_ops->bprm_secureexec(bprm);
263}
264
265int security_sb_alloc(struct super_block *sb)
266{
267 return security_ops->sb_alloc_security(sb);
268}
269
270void security_sb_free(struct super_block *sb)
271{
272 security_ops->sb_free_security(sb);
273}
274
e0007529 275int security_sb_copy_data(char *orig, char *copy)
20510f2f 276{
e0007529 277 return security_ops->sb_copy_data(orig, copy);
20510f2f 278}
e0007529 279EXPORT_SYMBOL(security_sb_copy_data);
20510f2f 280
12204e24 281int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
20510f2f 282{
12204e24 283 return security_ops->sb_kern_mount(sb, flags, data);
20510f2f
JM
284}
285
2069f457
EP
286int security_sb_show_options(struct seq_file *m, struct super_block *sb)
287{
288 return security_ops->sb_show_options(m, sb);
289}
290
20510f2f
JM
291int security_sb_statfs(struct dentry *dentry)
292{
293 return security_ops->sb_statfs(dentry);
294}
295
b5266eb4 296int security_sb_mount(char *dev_name, struct path *path,
20510f2f
JM
297 char *type, unsigned long flags, void *data)
298{
b5266eb4 299 return security_ops->sb_mount(dev_name, path, type, flags, data);
20510f2f
JM
300}
301
b5266eb4 302int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
20510f2f 303{
b5266eb4 304 return security_ops->sb_check_sb(mnt, path);
20510f2f
JM
305}
306
307int security_sb_umount(struct vfsmount *mnt, int flags)
308{
309 return security_ops->sb_umount(mnt, flags);
310}
311
312void security_sb_umount_close(struct vfsmount *mnt)
313{
314 security_ops->sb_umount_close(mnt);
315}
316
317void security_sb_umount_busy(struct vfsmount *mnt)
318{
319 security_ops->sb_umount_busy(mnt);
320}
321
322void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
323{
324 security_ops->sb_post_remount(mnt, flags, data);
325}
326
b5266eb4 327void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
20510f2f 328{
b5266eb4 329 security_ops->sb_post_addmount(mnt, mountpoint);
20510f2f
JM
330}
331
b5266eb4 332int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 333{
b5266eb4 334 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
335}
336
b5266eb4 337void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 338{
b5266eb4 339 security_ops->sb_post_pivotroot(old_path, new_path);
20510f2f
JM
340}
341
c9180a57 342int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 343 struct security_mnt_opts *opts)
c9180a57 344{
e0007529 345 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 346}
e0007529 347EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
348
349void security_sb_clone_mnt_opts(const struct super_block *oldsb,
350 struct super_block *newsb)
351{
352 security_ops->sb_clone_mnt_opts(oldsb, newsb);
353}
e0007529
EP
354EXPORT_SYMBOL(security_sb_clone_mnt_opts);
355
356int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
357{
358 return security_ops->sb_parse_opts_str(options, opts);
359}
360EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 361
20510f2f
JM
362int security_inode_alloc(struct inode *inode)
363{
6c21a7fb
MZ
364 int ret;
365
20510f2f 366 inode->i_security = NULL;
6c21a7fb
MZ
367 ret = security_ops->inode_alloc_security(inode);
368 if (ret)
369 return ret;
370 ret = ima_inode_alloc(inode);
371 if (ret)
372 security_inode_free(inode);
373 return ret;
20510f2f
JM
374}
375
376void security_inode_free(struct inode *inode)
377{
6c21a7fb 378 ima_inode_free(inode);
20510f2f
JM
379 security_ops->inode_free_security(inode);
380}
381
382int security_inode_init_security(struct inode *inode, struct inode *dir,
383 char **name, void **value, size_t *len)
384{
385 if (unlikely(IS_PRIVATE(inode)))
386 return -EOPNOTSUPP;
387 return security_ops->inode_init_security(inode, dir, name, value, len);
388}
389EXPORT_SYMBOL(security_inode_init_security);
390
be6d3e56
KT
391#ifdef CONFIG_SECURITY_PATH
392int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
393 unsigned int dev)
394{
395 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
396 return 0;
397 return security_ops->path_mknod(path, dentry, mode, dev);
398}
399EXPORT_SYMBOL(security_path_mknod);
400
401int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
402{
403 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
404 return 0;
405 return security_ops->path_mkdir(path, dentry, mode);
406}
407
408int security_path_rmdir(struct path *path, struct dentry *dentry)
409{
410 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
411 return 0;
412 return security_ops->path_rmdir(path, dentry);
413}
414
415int security_path_unlink(struct path *path, struct dentry *dentry)
416{
417 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
418 return 0;
419 return security_ops->path_unlink(path, dentry);
420}
421
422int security_path_symlink(struct path *path, struct dentry *dentry,
423 const char *old_name)
424{
425 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
426 return 0;
427 return security_ops->path_symlink(path, dentry, old_name);
428}
429
430int security_path_link(struct dentry *old_dentry, struct path *new_dir,
431 struct dentry *new_dentry)
432{
433 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
434 return 0;
435 return security_ops->path_link(old_dentry, new_dir, new_dentry);
436}
437
438int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
439 struct path *new_dir, struct dentry *new_dentry)
440{
441 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
442 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
443 return 0;
444 return security_ops->path_rename(old_dir, old_dentry, new_dir,
445 new_dentry);
446}
447
448int security_path_truncate(struct path *path, loff_t length,
449 unsigned int time_attrs)
450{
451 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
452 return 0;
453 return security_ops->path_truncate(path, length, time_attrs);
454}
89eda068
TH
455
456int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
457 mode_t mode)
458{
459 if (unlikely(IS_PRIVATE(dentry->d_inode)))
460 return 0;
461 return security_ops->path_chmod(dentry, mnt, mode);
462}
463
464int security_path_chown(struct path *path, uid_t uid, gid_t gid)
465{
466 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
467 return 0;
468 return security_ops->path_chown(path, uid, gid);
469}
8b8efb44
TH
470
471int security_path_chroot(struct path *path)
472{
473 return security_ops->path_chroot(path);
474}
be6d3e56
KT
475#endif
476
20510f2f
JM
477int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
478{
479 if (unlikely(IS_PRIVATE(dir)))
480 return 0;
481 return security_ops->inode_create(dir, dentry, mode);
482}
800a9647 483EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
484
485int security_inode_link(struct dentry *old_dentry, struct inode *dir,
486 struct dentry *new_dentry)
487{
488 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
489 return 0;
490 return security_ops->inode_link(old_dentry, dir, new_dentry);
491}
492
493int security_inode_unlink(struct inode *dir, struct dentry *dentry)
494{
495 if (unlikely(IS_PRIVATE(dentry->d_inode)))
496 return 0;
497 return security_ops->inode_unlink(dir, dentry);
498}
499
500int security_inode_symlink(struct inode *dir, struct dentry *dentry,
501 const char *old_name)
502{
503 if (unlikely(IS_PRIVATE(dir)))
504 return 0;
505 return security_ops->inode_symlink(dir, dentry, old_name);
506}
507
508int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
509{
510 if (unlikely(IS_PRIVATE(dir)))
511 return 0;
512 return security_ops->inode_mkdir(dir, dentry, mode);
513}
800a9647 514EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
515
516int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
517{
518 if (unlikely(IS_PRIVATE(dentry->d_inode)))
519 return 0;
520 return security_ops->inode_rmdir(dir, dentry);
521}
522
523int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
524{
525 if (unlikely(IS_PRIVATE(dir)))
526 return 0;
527 return security_ops->inode_mknod(dir, dentry, mode, dev);
528}
529
530int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
531 struct inode *new_dir, struct dentry *new_dentry)
532{
533 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
534 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
535 return 0;
536 return security_ops->inode_rename(old_dir, old_dentry,
537 new_dir, new_dentry);
538}
539
540int security_inode_readlink(struct dentry *dentry)
541{
542 if (unlikely(IS_PRIVATE(dentry->d_inode)))
543 return 0;
544 return security_ops->inode_readlink(dentry);
545}
546
547int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
548{
549 if (unlikely(IS_PRIVATE(dentry->d_inode)))
550 return 0;
551 return security_ops->inode_follow_link(dentry, nd);
552}
553
b77b0646 554int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
555{
556 if (unlikely(IS_PRIVATE(inode)))
557 return 0;
b77b0646 558 return security_ops->inode_permission(inode, mask);
20510f2f
JM
559}
560
561int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
562{
563 if (unlikely(IS_PRIVATE(dentry->d_inode)))
564 return 0;
565 return security_ops->inode_setattr(dentry, attr);
566}
b1da47e2 567EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
568
569int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
570{
571 if (unlikely(IS_PRIVATE(dentry->d_inode)))
572 return 0;
573 return security_ops->inode_getattr(mnt, dentry);
574}
575
576void security_inode_delete(struct inode *inode)
577{
578 if (unlikely(IS_PRIVATE(inode)))
579 return;
580 security_ops->inode_delete(inode);
581}
582
8f0cfa52
DH
583int security_inode_setxattr(struct dentry *dentry, const char *name,
584 const void *value, size_t size, int flags)
20510f2f
JM
585{
586 if (unlikely(IS_PRIVATE(dentry->d_inode)))
587 return 0;
588 return security_ops->inode_setxattr(dentry, name, value, size, flags);
589}
590
8f0cfa52
DH
591void security_inode_post_setxattr(struct dentry *dentry, const char *name,
592 const void *value, size_t size, int flags)
20510f2f
JM
593{
594 if (unlikely(IS_PRIVATE(dentry->d_inode)))
595 return;
596 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
597}
598
8f0cfa52 599int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
600{
601 if (unlikely(IS_PRIVATE(dentry->d_inode)))
602 return 0;
603 return security_ops->inode_getxattr(dentry, name);
604}
605
606int security_inode_listxattr(struct dentry *dentry)
607{
608 if (unlikely(IS_PRIVATE(dentry->d_inode)))
609 return 0;
610 return security_ops->inode_listxattr(dentry);
611}
612
8f0cfa52 613int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
614{
615 if (unlikely(IS_PRIVATE(dentry->d_inode)))
616 return 0;
617 return security_ops->inode_removexattr(dentry, name);
618}
619
b5376771
SH
620int security_inode_need_killpriv(struct dentry *dentry)
621{
622 return security_ops->inode_need_killpriv(dentry);
623}
624
625int security_inode_killpriv(struct dentry *dentry)
626{
627 return security_ops->inode_killpriv(dentry);
628}
629
42492594 630int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
631{
632 if (unlikely(IS_PRIVATE(inode)))
633 return 0;
42492594 634 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
635}
636
637int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
638{
639 if (unlikely(IS_PRIVATE(inode)))
640 return 0;
641 return security_ops->inode_setsecurity(inode, name, value, size, flags);
642}
643
644int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
645{
646 if (unlikely(IS_PRIVATE(inode)))
647 return 0;
648 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
649}
650
8a076191
AD
651void security_inode_getsecid(const struct inode *inode, u32 *secid)
652{
653 security_ops->inode_getsecid(inode, secid);
654}
655
20510f2f
JM
656int security_file_permission(struct file *file, int mask)
657{
658 return security_ops->file_permission(file, mask);
659}
660
661int security_file_alloc(struct file *file)
662{
663 return security_ops->file_alloc_security(file);
664}
665
666void security_file_free(struct file *file)
667{
668 security_ops->file_free_security(file);
669}
670
671int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
672{
673 return security_ops->file_ioctl(file, cmd, arg);
674}
675
676int security_file_mmap(struct file *file, unsigned long reqprot,
677 unsigned long prot, unsigned long flags,
678 unsigned long addr, unsigned long addr_only)
679{
6c21a7fb
MZ
680 int ret;
681
682 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
683 if (ret)
684 return ret;
685 return ima_file_mmap(file, prot);
20510f2f
JM
686}
687
688int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
689 unsigned long prot)
690{
691 return security_ops->file_mprotect(vma, reqprot, prot);
692}
693
694int security_file_lock(struct file *file, unsigned int cmd)
695{
696 return security_ops->file_lock(file, cmd);
697}
698
699int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
700{
701 return security_ops->file_fcntl(file, cmd, arg);
702}
703
704int security_file_set_fowner(struct file *file)
705{
706 return security_ops->file_set_fowner(file);
707}
708
709int security_file_send_sigiotask(struct task_struct *tsk,
710 struct fown_struct *fown, int sig)
711{
712 return security_ops->file_send_sigiotask(tsk, fown, sig);
713}
714
715int security_file_receive(struct file *file)
716{
717 return security_ops->file_receive(file);
718}
719
745ca247 720int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 721{
745ca247 722 return security_ops->dentry_open(file, cred);
20510f2f
JM
723}
724
725int security_task_create(unsigned long clone_flags)
726{
727 return security_ops->task_create(clone_flags);
728}
729
ee18d64c
DH
730int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
731{
732 return security_ops->cred_alloc_blank(cred, gfp);
733}
734
d84f4f99 735void security_cred_free(struct cred *cred)
20510f2f 736{
d84f4f99 737 security_ops->cred_free(cred);
20510f2f
JM
738}
739
d84f4f99 740int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 741{
d84f4f99
DH
742 return security_ops->cred_prepare(new, old, gfp);
743}
744
745void security_commit_creds(struct cred *new, const struct cred *old)
746{
200036ca 747 security_ops->cred_commit(new, old);
20510f2f
JM
748}
749
ee18d64c
DH
750void security_transfer_creds(struct cred *new, const struct cred *old)
751{
752 security_ops->cred_transfer(new, old);
753}
754
3a3b7ce9
DH
755int security_kernel_act_as(struct cred *new, u32 secid)
756{
757 return security_ops->kernel_act_as(new, secid);
758}
759
760int security_kernel_create_files_as(struct cred *new, struct inode *inode)
761{
762 return security_ops->kernel_create_files_as(new, inode);
763}
764
dd8dbf2e 765int security_kernel_module_request(char *kmod_name)
9188499c 766{
dd8dbf2e 767 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
768}
769
20510f2f
JM
770int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
771{
772 return security_ops->task_setuid(id0, id1, id2, flags);
773}
774
d84f4f99
DH
775int security_task_fix_setuid(struct cred *new, const struct cred *old,
776 int flags)
20510f2f 777{
d84f4f99 778 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
779}
780
781int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
782{
783 return security_ops->task_setgid(id0, id1, id2, flags);
784}
785
786int security_task_setpgid(struct task_struct *p, pid_t pgid)
787{
788 return security_ops->task_setpgid(p, pgid);
789}
790
791int security_task_getpgid(struct task_struct *p)
792{
793 return security_ops->task_getpgid(p);
794}
795
796int security_task_getsid(struct task_struct *p)
797{
798 return security_ops->task_getsid(p);
799}
800
801void security_task_getsecid(struct task_struct *p, u32 *secid)
802{
803 security_ops->task_getsecid(p, secid);
804}
805EXPORT_SYMBOL(security_task_getsecid);
806
807int security_task_setgroups(struct group_info *group_info)
808{
809 return security_ops->task_setgroups(group_info);
810}
811
812int security_task_setnice(struct task_struct *p, int nice)
813{
814 return security_ops->task_setnice(p, nice);
815}
816
817int security_task_setioprio(struct task_struct *p, int ioprio)
818{
819 return security_ops->task_setioprio(p, ioprio);
820}
821
822int security_task_getioprio(struct task_struct *p)
823{
824 return security_ops->task_getioprio(p);
825}
826
827int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
828{
829 return security_ops->task_setrlimit(resource, new_rlim);
830}
831
832int security_task_setscheduler(struct task_struct *p,
833 int policy, struct sched_param *lp)
834{
835 return security_ops->task_setscheduler(p, policy, lp);
836}
837
838int security_task_getscheduler(struct task_struct *p)
839{
840 return security_ops->task_getscheduler(p);
841}
842
843int security_task_movememory(struct task_struct *p)
844{
845 return security_ops->task_movememory(p);
846}
847
848int security_task_kill(struct task_struct *p, struct siginfo *info,
849 int sig, u32 secid)
850{
851 return security_ops->task_kill(p, info, sig, secid);
852}
853
854int security_task_wait(struct task_struct *p)
855{
856 return security_ops->task_wait(p);
857}
858
859int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 860 unsigned long arg4, unsigned long arg5)
20510f2f 861{
d84f4f99 862 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
863}
864
865void security_task_to_inode(struct task_struct *p, struct inode *inode)
866{
867 security_ops->task_to_inode(p, inode);
868}
869
870int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
871{
872 return security_ops->ipc_permission(ipcp, flag);
873}
874
8a076191
AD
875void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
876{
877 security_ops->ipc_getsecid(ipcp, secid);
878}
879
20510f2f
JM
880int security_msg_msg_alloc(struct msg_msg *msg)
881{
882 return security_ops->msg_msg_alloc_security(msg);
883}
884
885void security_msg_msg_free(struct msg_msg *msg)
886{
887 security_ops->msg_msg_free_security(msg);
888}
889
890int security_msg_queue_alloc(struct msg_queue *msq)
891{
892 return security_ops->msg_queue_alloc_security(msq);
893}
894
895void security_msg_queue_free(struct msg_queue *msq)
896{
897 security_ops->msg_queue_free_security(msq);
898}
899
900int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
901{
902 return security_ops->msg_queue_associate(msq, msqflg);
903}
904
905int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
906{
907 return security_ops->msg_queue_msgctl(msq, cmd);
908}
909
910int security_msg_queue_msgsnd(struct msg_queue *msq,
911 struct msg_msg *msg, int msqflg)
912{
913 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
914}
915
916int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
917 struct task_struct *target, long type, int mode)
918{
919 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
920}
921
922int security_shm_alloc(struct shmid_kernel *shp)
923{
924 return security_ops->shm_alloc_security(shp);
925}
926
927void security_shm_free(struct shmid_kernel *shp)
928{
929 security_ops->shm_free_security(shp);
930}
931
932int security_shm_associate(struct shmid_kernel *shp, int shmflg)
933{
934 return security_ops->shm_associate(shp, shmflg);
935}
936
937int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
938{
939 return security_ops->shm_shmctl(shp, cmd);
940}
941
942int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
943{
944 return security_ops->shm_shmat(shp, shmaddr, shmflg);
945}
946
947int security_sem_alloc(struct sem_array *sma)
948{
949 return security_ops->sem_alloc_security(sma);
950}
951
952void security_sem_free(struct sem_array *sma)
953{
954 security_ops->sem_free_security(sma);
955}
956
957int security_sem_associate(struct sem_array *sma, int semflg)
958{
959 return security_ops->sem_associate(sma, semflg);
960}
961
962int security_sem_semctl(struct sem_array *sma, int cmd)
963{
964 return security_ops->sem_semctl(sma, cmd);
965}
966
967int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
968 unsigned nsops, int alter)
969{
970 return security_ops->sem_semop(sma, sops, nsops, alter);
971}
972
973void security_d_instantiate(struct dentry *dentry, struct inode *inode)
974{
975 if (unlikely(inode && IS_PRIVATE(inode)))
976 return;
977 security_ops->d_instantiate(dentry, inode);
978}
979EXPORT_SYMBOL(security_d_instantiate);
980
981int security_getprocattr(struct task_struct *p, char *name, char **value)
982{
983 return security_ops->getprocattr(p, name, value);
984}
985
986int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
987{
988 return security_ops->setprocattr(p, name, value, size);
989}
990
991int security_netlink_send(struct sock *sk, struct sk_buff *skb)
992{
993 return security_ops->netlink_send(sk, skb);
994}
20510f2f
JM
995
996int security_netlink_recv(struct sk_buff *skb, int cap)
997{
998 return security_ops->netlink_recv(skb, cap);
999}
1000EXPORT_SYMBOL(security_netlink_recv);
1001
1002int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1003{
1004 return security_ops->secid_to_secctx(secid, secdata, seclen);
1005}
1006EXPORT_SYMBOL(security_secid_to_secctx);
1007
7bf570dc 1008int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
1009{
1010 return security_ops->secctx_to_secid(secdata, seclen, secid);
1011}
1012EXPORT_SYMBOL(security_secctx_to_secid);
1013
20510f2f
JM
1014void security_release_secctx(char *secdata, u32 seclen)
1015{
65fc7668 1016 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
1017}
1018EXPORT_SYMBOL(security_release_secctx);
1019
1ee65e37
DQ
1020int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1021{
1022 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1023}
1024EXPORT_SYMBOL(security_inode_notifysecctx);
1025
1026int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1027{
1028 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1029}
1030EXPORT_SYMBOL(security_inode_setsecctx);
1031
1032int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1033{
1034 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1035}
1036EXPORT_SYMBOL(security_inode_getsecctx);
1037
20510f2f
JM
1038#ifdef CONFIG_SECURITY_NETWORK
1039
1040int security_unix_stream_connect(struct socket *sock, struct socket *other,
1041 struct sock *newsk)
1042{
1043 return security_ops->unix_stream_connect(sock, other, newsk);
1044}
1045EXPORT_SYMBOL(security_unix_stream_connect);
1046
1047int security_unix_may_send(struct socket *sock, struct socket *other)
1048{
1049 return security_ops->unix_may_send(sock, other);
1050}
1051EXPORT_SYMBOL(security_unix_may_send);
1052
1053int security_socket_create(int family, int type, int protocol, int kern)
1054{
1055 return security_ops->socket_create(family, type, protocol, kern);
1056}
1057
1058int security_socket_post_create(struct socket *sock, int family,
1059 int type, int protocol, int kern)
1060{
1061 return security_ops->socket_post_create(sock, family, type,
1062 protocol, kern);
1063}
1064
1065int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1066{
1067 return security_ops->socket_bind(sock, address, addrlen);
1068}
1069
1070int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1071{
1072 return security_ops->socket_connect(sock, address, addrlen);
1073}
1074
1075int security_socket_listen(struct socket *sock, int backlog)
1076{
1077 return security_ops->socket_listen(sock, backlog);
1078}
1079
1080int security_socket_accept(struct socket *sock, struct socket *newsock)
1081{
1082 return security_ops->socket_accept(sock, newsock);
1083}
1084
20510f2f
JM
1085int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1086{
1087 return security_ops->socket_sendmsg(sock, msg, size);
1088}
1089
1090int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1091 int size, int flags)
1092{
1093 return security_ops->socket_recvmsg(sock, msg, size, flags);
1094}
1095
1096int security_socket_getsockname(struct socket *sock)
1097{
1098 return security_ops->socket_getsockname(sock);
1099}
1100
1101int security_socket_getpeername(struct socket *sock)
1102{
1103 return security_ops->socket_getpeername(sock);
1104}
1105
1106int security_socket_getsockopt(struct socket *sock, int level, int optname)
1107{
1108 return security_ops->socket_getsockopt(sock, level, optname);
1109}
1110
1111int security_socket_setsockopt(struct socket *sock, int level, int optname)
1112{
1113 return security_ops->socket_setsockopt(sock, level, optname);
1114}
1115
1116int security_socket_shutdown(struct socket *sock, int how)
1117{
1118 return security_ops->socket_shutdown(sock, how);
1119}
1120
1121int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1122{
1123 return security_ops->socket_sock_rcv_skb(sk, skb);
1124}
1125EXPORT_SYMBOL(security_sock_rcv_skb);
1126
1127int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1128 int __user *optlen, unsigned len)
1129{
1130 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1131}
1132
1133int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1134{
1135 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1136}
1137EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1138
1139int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1140{
1141 return security_ops->sk_alloc_security(sk, family, priority);
1142}
1143
1144void security_sk_free(struct sock *sk)
1145{
65fc7668 1146 security_ops->sk_free_security(sk);
20510f2f
JM
1147}
1148
1149void security_sk_clone(const struct sock *sk, struct sock *newsk)
1150{
65fc7668 1151 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1152}
1153
1154void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1155{
1156 security_ops->sk_getsecid(sk, &fl->secid);
1157}
1158EXPORT_SYMBOL(security_sk_classify_flow);
1159
1160void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1161{
1162 security_ops->req_classify_flow(req, fl);
1163}
1164EXPORT_SYMBOL(security_req_classify_flow);
1165
1166void security_sock_graft(struct sock *sk, struct socket *parent)
1167{
1168 security_ops->sock_graft(sk, parent);
1169}
1170EXPORT_SYMBOL(security_sock_graft);
1171
1172int security_inet_conn_request(struct sock *sk,
1173 struct sk_buff *skb, struct request_sock *req)
1174{
1175 return security_ops->inet_conn_request(sk, skb, req);
1176}
1177EXPORT_SYMBOL(security_inet_conn_request);
1178
1179void security_inet_csk_clone(struct sock *newsk,
1180 const struct request_sock *req)
1181{
1182 security_ops->inet_csk_clone(newsk, req);
1183}
1184
1185void security_inet_conn_established(struct sock *sk,
1186 struct sk_buff *skb)
1187{
1188 security_ops->inet_conn_established(sk, skb);
1189}
1190
2b980dbd
PM
1191int security_tun_dev_create(void)
1192{
1193 return security_ops->tun_dev_create();
1194}
1195EXPORT_SYMBOL(security_tun_dev_create);
1196
1197void security_tun_dev_post_create(struct sock *sk)
1198{
1199 return security_ops->tun_dev_post_create(sk);
1200}
1201EXPORT_SYMBOL(security_tun_dev_post_create);
1202
1203int security_tun_dev_attach(struct sock *sk)
1204{
1205 return security_ops->tun_dev_attach(sk);
1206}
1207EXPORT_SYMBOL(security_tun_dev_attach);
1208
20510f2f
JM
1209#endif /* CONFIG_SECURITY_NETWORK */
1210
1211#ifdef CONFIG_SECURITY_NETWORK_XFRM
1212
03e1ad7b 1213int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1214{
03e1ad7b 1215 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1216}
1217EXPORT_SYMBOL(security_xfrm_policy_alloc);
1218
03e1ad7b
PM
1219int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1220 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1221{
03e1ad7b 1222 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1223}
1224
03e1ad7b 1225void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1226{
03e1ad7b 1227 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1228}
1229EXPORT_SYMBOL(security_xfrm_policy_free);
1230
03e1ad7b 1231int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1232{
03e1ad7b 1233 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1234}
1235
1236int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1237{
1238 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1239}
1240EXPORT_SYMBOL(security_xfrm_state_alloc);
1241
1242int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1243 struct xfrm_sec_ctx *polsec, u32 secid)
1244{
1245 if (!polsec)
1246 return 0;
1247 /*
1248 * We want the context to be taken from secid which is usually
1249 * from the sock.
1250 */
1251 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1252}
1253
1254int security_xfrm_state_delete(struct xfrm_state *x)
1255{
1256 return security_ops->xfrm_state_delete_security(x);
1257}
1258EXPORT_SYMBOL(security_xfrm_state_delete);
1259
1260void security_xfrm_state_free(struct xfrm_state *x)
1261{
1262 security_ops->xfrm_state_free_security(x);
1263}
1264
03e1ad7b 1265int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1266{
03e1ad7b 1267 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1268}
1269
1270int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1271 struct xfrm_policy *xp, struct flowi *fl)
1272{
1273 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1274}
1275
1276int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1277{
1278 return security_ops->xfrm_decode_session(skb, secid, 1);
1279}
1280
1281void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1282{
1283 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1284
1285 BUG_ON(rc);
1286}
1287EXPORT_SYMBOL(security_skb_classify_flow);
1288
1289#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1290
1291#ifdef CONFIG_KEYS
1292
d84f4f99
DH
1293int security_key_alloc(struct key *key, const struct cred *cred,
1294 unsigned long flags)
20510f2f 1295{
d84f4f99 1296 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1297}
1298
1299void security_key_free(struct key *key)
1300{
1301 security_ops->key_free(key);
1302}
1303
1304int security_key_permission(key_ref_t key_ref,
d84f4f99 1305 const struct cred *cred, key_perm_t perm)
20510f2f 1306{
d84f4f99 1307 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1308}
1309
70a5bb72
DH
1310int security_key_getsecurity(struct key *key, char **_buffer)
1311{
1312 return security_ops->key_getsecurity(key, _buffer);
1313}
1314
ee18d64c
DH
1315int security_key_session_to_parent(const struct cred *cred,
1316 const struct cred *parent_cred,
1317 struct key *key)
1318{
1319 return security_ops->key_session_to_parent(cred, parent_cred, key);
1320}
1321
20510f2f 1322#endif /* CONFIG_KEYS */
03d37d25
AD
1323
1324#ifdef CONFIG_AUDIT
1325
1326int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1327{
1328 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1329}
1330
1331int security_audit_rule_known(struct audit_krule *krule)
1332{
1333 return security_ops->audit_rule_known(krule);
1334}
1335
1336void security_audit_rule_free(void *lsmrule)
1337{
1338 security_ops->audit_rule_free(lsmrule);
1339}
1340
1341int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1342 struct audit_context *actx)
1343{
1344 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1345}
1346
1347#endif /* CONFIG_AUDIT */