ASoC: core - remove superfluous new line.
[GitHub/mt8127/android_kernel_alcatel_ttab.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 */
c80901f2 26extern void __init security_fixup_ops(struct security_operations *ops);
1da177e4 27
189b3b1c 28static struct security_operations *security_ops;
29static struct security_operations default_security_ops = {
30 .name = "default",
31};
a5ecbcb8 32
c80901f2 33static inline int __init verify(struct security_operations *ops)
1da177e4
LT
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 91 * -or the passed LSM is configured as the default and the user did not
065d78a0 92 * choose an alternate LSM at boot time.
076c54c5
AD
93 * Otherwise, return false.
94 */
95int __init security_module_enable(struct security_operations *ops)
96{
065d78a0 97 return !strcmp(ops->name, chosen_lsm);
076c54c5
AD
98}
99
1da177e4
LT
100/**
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
103 *
3f23d815 104 * This function allows a security module to register itself with the
1da177e4 105 * kernel security subsystem. Some rudimentary checking is done on the @ops
076c54c5
AD
106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
1da177e4
LT
108 *
109 * If there is already a security module registered with the kernel,
3f23d815 110 * an error will be returned. Otherwise %0 is returned on success.
1da177e4 111 */
c1e992b9 112int __init register_security(struct security_operations *ops)
1da177e4
LT
113{
114 if (verify(ops)) {
115 printk(KERN_DEBUG "%s could not verify "
dd6f953a 116 "security_operations structure.\n", __func__);
1da177e4
LT
117 return -EINVAL;
118 }
119
5915eb53 120 if (security_ops != &default_security_ops)
1da177e4
LT
121 return -EAGAIN;
122
123 security_ops = ops;
124
125 return 0;
126}
127
20510f2f
JM
128/* Security operations */
129
9e48858f 130int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
20510f2f 131{
9e48858f 132 return security_ops->ptrace_access_check(child, mode);
5cd9c58f
DH
133}
134
135int security_ptrace_traceme(struct task_struct *parent)
136{
137 return security_ops->ptrace_traceme(parent);
20510f2f
JM
138}
139
140int security_capget(struct task_struct *target,
141 kernel_cap_t *effective,
142 kernel_cap_t *inheritable,
143 kernel_cap_t *permitted)
144{
145 return security_ops->capget(target, effective, inheritable, permitted);
146}
147
d84f4f99
DH
148int security_capset(struct cred *new, const struct cred *old,
149 const kernel_cap_t *effective,
150 const kernel_cap_t *inheritable,
151 const kernel_cap_t *permitted)
20510f2f 152{
d84f4f99
DH
153 return security_ops->capset(new, old,
154 effective, inheritable, permitted);
20510f2f
JM
155}
156
3486740a
SH
157int security_capable(struct user_namespace *ns, const struct cred *cred,
158 int cap)
20510f2f 159{
3486740a
SH
160 return security_ops->capable(current, cred, ns, cap,
161 SECURITY_CAP_AUDIT);
06112163
EP
162}
163
3486740a
SH
164int security_real_capable(struct task_struct *tsk, struct user_namespace *ns,
165 int cap)
06112163 166{
3699c53c
DH
167 const struct cred *cred;
168 int ret;
169
170 cred = get_task_cred(tsk);
3486740a 171 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_AUDIT);
3699c53c
DH
172 put_cred(cred);
173 return ret;
174}
175
3486740a
SH
176int security_real_capable_noaudit(struct task_struct *tsk,
177 struct user_namespace *ns, int cap)
3699c53c
DH
178{
179 const struct cred *cred;
180 int ret;
181
182 cred = get_task_cred(tsk);
3486740a 183 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_NOAUDIT);
3699c53c
DH
184 put_cred(cred);
185 return ret;
20510f2f
JM
186}
187
20510f2f
JM
188int security_quotactl(int cmds, int type, int id, struct super_block *sb)
189{
190 return security_ops->quotactl(cmds, type, id, sb);
191}
192
193int security_quota_on(struct dentry *dentry)
194{
195 return security_ops->quota_on(dentry);
196}
197
12b3052c 198int security_syslog(int type)
20510f2f 199{
12b3052c 200 return security_ops->syslog(type);
20510f2f
JM
201}
202
1e6d7679 203int security_settime(const struct timespec *ts, const struct timezone *tz)
20510f2f
JM
204{
205 return security_ops->settime(ts, tz);
206}
207
208int security_vm_enough_memory(long pages)
209{
731572d3 210 WARN_ON(current->mm == NULL);
20510f2f
JM
211 return security_ops->vm_enough_memory(current->mm, pages);
212}
213
214int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
215{
731572d3 216 WARN_ON(mm == NULL);
20510f2f
JM
217 return security_ops->vm_enough_memory(mm, pages);
218}
219
731572d3
AC
220int security_vm_enough_memory_kern(long pages)
221{
222 /* If current->mm is a kernel thread then we will pass NULL,
223 for this specific case that is fine */
224 return security_ops->vm_enough_memory(current->mm, pages);
225}
226
a6f76f23 227int security_bprm_set_creds(struct linux_binprm *bprm)
20510f2f 228{
a6f76f23 229 return security_ops->bprm_set_creds(bprm);
20510f2f
JM
230}
231
a6f76f23 232int security_bprm_check(struct linux_binprm *bprm)
20510f2f 233{
6c21a7fb
MZ
234 int ret;
235
236 ret = security_ops->bprm_check_security(bprm);
237 if (ret)
238 return ret;
239 return ima_bprm_check(bprm);
20510f2f
JM
240}
241
a6f76f23 242void security_bprm_committing_creds(struct linux_binprm *bprm)
20510f2f 243{
200036ca 244 security_ops->bprm_committing_creds(bprm);
20510f2f
JM
245}
246
a6f76f23 247void security_bprm_committed_creds(struct linux_binprm *bprm)
20510f2f 248{
200036ca 249 security_ops->bprm_committed_creds(bprm);
20510f2f
JM
250}
251
252int security_bprm_secureexec(struct linux_binprm *bprm)
253{
254 return security_ops->bprm_secureexec(bprm);
255}
256
257int security_sb_alloc(struct super_block *sb)
258{
259 return security_ops->sb_alloc_security(sb);
260}
261
262void security_sb_free(struct super_block *sb)
263{
264 security_ops->sb_free_security(sb);
265}
266
e0007529 267int security_sb_copy_data(char *orig, char *copy)
20510f2f 268{
e0007529 269 return security_ops->sb_copy_data(orig, copy);
20510f2f 270}
e0007529 271EXPORT_SYMBOL(security_sb_copy_data);
20510f2f 272
ff36fe2c
EP
273int security_sb_remount(struct super_block *sb, void *data)
274{
275 return security_ops->sb_remount(sb, data);
276}
277
12204e24 278int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
20510f2f 279{
12204e24 280 return security_ops->sb_kern_mount(sb, flags, data);
20510f2f
JM
281}
282
2069f457
EP
283int security_sb_show_options(struct seq_file *m, struct super_block *sb)
284{
285 return security_ops->sb_show_options(m, sb);
286}
287
20510f2f
JM
288int security_sb_statfs(struct dentry *dentry)
289{
290 return security_ops->sb_statfs(dentry);
291}
292
b5266eb4 293int security_sb_mount(char *dev_name, struct path *path,
20510f2f
JM
294 char *type, unsigned long flags, void *data)
295{
b5266eb4 296 return security_ops->sb_mount(dev_name, path, type, flags, data);
20510f2f
JM
297}
298
20510f2f
JM
299int security_sb_umount(struct vfsmount *mnt, int flags)
300{
301 return security_ops->sb_umount(mnt, flags);
302}
303
b5266eb4 304int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 305{
b5266eb4 306 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
307}
308
c9180a57 309int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 310 struct security_mnt_opts *opts)
c9180a57 311{
e0007529 312 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 313}
e0007529 314EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
315
316void security_sb_clone_mnt_opts(const struct super_block *oldsb,
317 struct super_block *newsb)
318{
319 security_ops->sb_clone_mnt_opts(oldsb, newsb);
320}
e0007529
EP
321EXPORT_SYMBOL(security_sb_clone_mnt_opts);
322
323int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
324{
325 return security_ops->sb_parse_opts_str(options, opts);
326}
327EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 328
20510f2f
JM
329int security_inode_alloc(struct inode *inode)
330{
331 inode->i_security = NULL;
bc7d2a3e 332 return security_ops->inode_alloc_security(inode);
20510f2f
JM
333}
334
335void security_inode_free(struct inode *inode)
336{
6c21a7fb 337 ima_inode_free(inode);
20510f2f
JM
338 security_ops->inode_free_security(inode);
339}
340
341int security_inode_init_security(struct inode *inode, struct inode *dir,
2a7dba39
EP
342 const struct qstr *qstr, char **name,
343 void **value, size_t *len)
20510f2f
JM
344{
345 if (unlikely(IS_PRIVATE(inode)))
346 return -EOPNOTSUPP;
2a7dba39
EP
347 return security_ops->inode_init_security(inode, dir, qstr, name, value,
348 len);
20510f2f
JM
349}
350EXPORT_SYMBOL(security_inode_init_security);
351
be6d3e56 352#ifdef CONFIG_SECURITY_PATH
5d0901a3 353int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
be6d3e56
KT
354 unsigned int dev)
355{
5d0901a3 356 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 357 return 0;
5d0901a3 358 return security_ops->path_mknod(dir, dentry, mode, dev);
be6d3e56
KT
359}
360EXPORT_SYMBOL(security_path_mknod);
361
5d0901a3 362int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
be6d3e56 363{
5d0901a3 364 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 365 return 0;
5d0901a3 366 return security_ops->path_mkdir(dir, dentry, mode);
be6d3e56 367}
82140443 368EXPORT_SYMBOL(security_path_mkdir);
be6d3e56 369
5d0901a3 370int security_path_rmdir(struct path *dir, struct dentry *dentry)
be6d3e56 371{
5d0901a3 372 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 373 return 0;
5d0901a3 374 return security_ops->path_rmdir(dir, dentry);
be6d3e56
KT
375}
376
5d0901a3 377int security_path_unlink(struct path *dir, struct dentry *dentry)
be6d3e56 378{
5d0901a3 379 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 380 return 0;
5d0901a3 381 return security_ops->path_unlink(dir, dentry);
be6d3e56 382}
82140443 383EXPORT_SYMBOL(security_path_unlink);
be6d3e56 384
5d0901a3 385int security_path_symlink(struct path *dir, struct dentry *dentry,
be6d3e56
KT
386 const char *old_name)
387{
5d0901a3 388 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 389 return 0;
5d0901a3 390 return security_ops->path_symlink(dir, dentry, old_name);
be6d3e56
KT
391}
392
393int security_path_link(struct dentry *old_dentry, struct path *new_dir,
394 struct dentry *new_dentry)
395{
396 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
397 return 0;
398 return security_ops->path_link(old_dentry, new_dir, new_dentry);
399}
400
401int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
402 struct path *new_dir, struct dentry *new_dentry)
403{
404 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
405 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
406 return 0;
407 return security_ops->path_rename(old_dir, old_dentry, new_dir,
408 new_dentry);
409}
82140443 410EXPORT_SYMBOL(security_path_rename);
be6d3e56 411
ea0d3ab2 412int security_path_truncate(struct path *path)
be6d3e56
KT
413{
414 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
415 return 0;
ea0d3ab2 416 return security_ops->path_truncate(path);
be6d3e56 417}
89eda068
TH
418
419int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
420 mode_t mode)
421{
422 if (unlikely(IS_PRIVATE(dentry->d_inode)))
423 return 0;
424 return security_ops->path_chmod(dentry, mnt, mode);
425}
426
427int security_path_chown(struct path *path, uid_t uid, gid_t gid)
428{
429 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
430 return 0;
431 return security_ops->path_chown(path, uid, gid);
432}
8b8efb44
TH
433
434int security_path_chroot(struct path *path)
435{
436 return security_ops->path_chroot(path);
437}
be6d3e56
KT
438#endif
439
20510f2f
JM
440int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
441{
442 if (unlikely(IS_PRIVATE(dir)))
443 return 0;
444 return security_ops->inode_create(dir, dentry, mode);
445}
800a9647 446EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
447
448int security_inode_link(struct dentry *old_dentry, struct inode *dir,
449 struct dentry *new_dentry)
450{
451 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
452 return 0;
453 return security_ops->inode_link(old_dentry, dir, new_dentry);
454}
455
456int security_inode_unlink(struct inode *dir, struct dentry *dentry)
457{
458 if (unlikely(IS_PRIVATE(dentry->d_inode)))
459 return 0;
460 return security_ops->inode_unlink(dir, dentry);
461}
462
463int security_inode_symlink(struct inode *dir, struct dentry *dentry,
464 const char *old_name)
465{
466 if (unlikely(IS_PRIVATE(dir)))
467 return 0;
468 return security_ops->inode_symlink(dir, dentry, old_name);
469}
470
471int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
472{
473 if (unlikely(IS_PRIVATE(dir)))
474 return 0;
475 return security_ops->inode_mkdir(dir, dentry, mode);
476}
800a9647 477EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
478
479int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
480{
481 if (unlikely(IS_PRIVATE(dentry->d_inode)))
482 return 0;
483 return security_ops->inode_rmdir(dir, dentry);
484}
485
486int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
487{
488 if (unlikely(IS_PRIVATE(dir)))
489 return 0;
490 return security_ops->inode_mknod(dir, dentry, mode, dev);
491}
492
493int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
494 struct inode *new_dir, struct dentry *new_dentry)
495{
496 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
497 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
498 return 0;
499 return security_ops->inode_rename(old_dir, old_dentry,
500 new_dir, new_dentry);
501}
502
503int security_inode_readlink(struct dentry *dentry)
504{
505 if (unlikely(IS_PRIVATE(dentry->d_inode)))
506 return 0;
507 return security_ops->inode_readlink(dentry);
508}
509
510int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
511{
512 if (unlikely(IS_PRIVATE(dentry->d_inode)))
513 return 0;
514 return security_ops->inode_follow_link(dentry, nd);
515}
516
b77b0646 517int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
518{
519 if (unlikely(IS_PRIVATE(inode)))
520 return 0;
b77b0646 521 return security_ops->inode_permission(inode, mask);
20510f2f
JM
522}
523
31e6b01f
NP
524int security_inode_exec_permission(struct inode *inode, unsigned int flags)
525{
526 if (unlikely(IS_PRIVATE(inode)))
527 return 0;
528 if (flags)
529 return -ECHILD;
530 return security_ops->inode_permission(inode, MAY_EXEC);
531}
532
20510f2f
JM
533int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
534{
535 if (unlikely(IS_PRIVATE(dentry->d_inode)))
536 return 0;
537 return security_ops->inode_setattr(dentry, attr);
538}
b1da47e2 539EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
540
541int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
542{
543 if (unlikely(IS_PRIVATE(dentry->d_inode)))
544 return 0;
545 return security_ops->inode_getattr(mnt, dentry);
546}
547
8f0cfa52
DH
548int security_inode_setxattr(struct dentry *dentry, const char *name,
549 const void *value, size_t size, int flags)
20510f2f
JM
550{
551 if (unlikely(IS_PRIVATE(dentry->d_inode)))
552 return 0;
553 return security_ops->inode_setxattr(dentry, name, value, size, flags);
554}
555
8f0cfa52
DH
556void security_inode_post_setxattr(struct dentry *dentry, const char *name,
557 const void *value, size_t size, int flags)
20510f2f
JM
558{
559 if (unlikely(IS_PRIVATE(dentry->d_inode)))
560 return;
561 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
562}
563
8f0cfa52 564int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
565{
566 if (unlikely(IS_PRIVATE(dentry->d_inode)))
567 return 0;
568 return security_ops->inode_getxattr(dentry, name);
569}
570
571int security_inode_listxattr(struct dentry *dentry)
572{
573 if (unlikely(IS_PRIVATE(dentry->d_inode)))
574 return 0;
575 return security_ops->inode_listxattr(dentry);
576}
577
8f0cfa52 578int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
579{
580 if (unlikely(IS_PRIVATE(dentry->d_inode)))
581 return 0;
582 return security_ops->inode_removexattr(dentry, name);
583}
584
b5376771
SH
585int security_inode_need_killpriv(struct dentry *dentry)
586{
587 return security_ops->inode_need_killpriv(dentry);
588}
589
590int security_inode_killpriv(struct dentry *dentry)
591{
592 return security_ops->inode_killpriv(dentry);
593}
594
42492594 595int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
596{
597 if (unlikely(IS_PRIVATE(inode)))
8d952504 598 return -EOPNOTSUPP;
42492594 599 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
600}
601
602int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
603{
604 if (unlikely(IS_PRIVATE(inode)))
8d952504 605 return -EOPNOTSUPP;
20510f2f
JM
606 return security_ops->inode_setsecurity(inode, name, value, size, flags);
607}
608
609int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
610{
611 if (unlikely(IS_PRIVATE(inode)))
612 return 0;
613 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
614}
615
8a076191
AD
616void security_inode_getsecid(const struct inode *inode, u32 *secid)
617{
618 security_ops->inode_getsecid(inode, secid);
619}
620
20510f2f
JM
621int security_file_permission(struct file *file, int mask)
622{
c4ec54b4
EP
623 int ret;
624
625 ret = security_ops->file_permission(file, mask);
626 if (ret)
627 return ret;
628
629 return fsnotify_perm(file, mask);
20510f2f
JM
630}
631
632int security_file_alloc(struct file *file)
633{
634 return security_ops->file_alloc_security(file);
635}
636
637void security_file_free(struct file *file)
638{
639 security_ops->file_free_security(file);
640}
641
642int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
643{
644 return security_ops->file_ioctl(file, cmd, arg);
645}
646
647int security_file_mmap(struct file *file, unsigned long reqprot,
648 unsigned long prot, unsigned long flags,
649 unsigned long addr, unsigned long addr_only)
650{
6c21a7fb
MZ
651 int ret;
652
653 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
654 if (ret)
655 return ret;
656 return ima_file_mmap(file, prot);
20510f2f
JM
657}
658
659int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
660 unsigned long prot)
661{
662 return security_ops->file_mprotect(vma, reqprot, prot);
663}
664
665int security_file_lock(struct file *file, unsigned int cmd)
666{
667 return security_ops->file_lock(file, cmd);
668}
669
670int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
671{
672 return security_ops->file_fcntl(file, cmd, arg);
673}
674
675int security_file_set_fowner(struct file *file)
676{
677 return security_ops->file_set_fowner(file);
678}
679
680int security_file_send_sigiotask(struct task_struct *tsk,
681 struct fown_struct *fown, int sig)
682{
683 return security_ops->file_send_sigiotask(tsk, fown, sig);
684}
685
686int security_file_receive(struct file *file)
687{
688 return security_ops->file_receive(file);
689}
690
745ca247 691int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 692{
c4ec54b4
EP
693 int ret;
694
695 ret = security_ops->dentry_open(file, cred);
696 if (ret)
697 return ret;
698
699 return fsnotify_perm(file, MAY_OPEN);
20510f2f
JM
700}
701
702int security_task_create(unsigned long clone_flags)
703{
704 return security_ops->task_create(clone_flags);
705}
706
ee18d64c
DH
707int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
708{
709 return security_ops->cred_alloc_blank(cred, gfp);
710}
711
d84f4f99 712void security_cred_free(struct cred *cred)
20510f2f 713{
d84f4f99 714 security_ops->cred_free(cred);
20510f2f
JM
715}
716
d84f4f99 717int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 718{
d84f4f99
DH
719 return security_ops->cred_prepare(new, old, gfp);
720}
721
ee18d64c
DH
722void security_transfer_creds(struct cred *new, const struct cred *old)
723{
724 security_ops->cred_transfer(new, old);
725}
726
3a3b7ce9
DH
727int security_kernel_act_as(struct cred *new, u32 secid)
728{
729 return security_ops->kernel_act_as(new, secid);
730}
731
732int security_kernel_create_files_as(struct cred *new, struct inode *inode)
733{
734 return security_ops->kernel_create_files_as(new, inode);
735}
736
dd8dbf2e 737int security_kernel_module_request(char *kmod_name)
9188499c 738{
dd8dbf2e 739 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
740}
741
d84f4f99
DH
742int security_task_fix_setuid(struct cred *new, const struct cred *old,
743 int flags)
20510f2f 744{
d84f4f99 745 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
746}
747
20510f2f
JM
748int security_task_setpgid(struct task_struct *p, pid_t pgid)
749{
750 return security_ops->task_setpgid(p, pgid);
751}
752
753int security_task_getpgid(struct task_struct *p)
754{
755 return security_ops->task_getpgid(p);
756}
757
758int security_task_getsid(struct task_struct *p)
759{
760 return security_ops->task_getsid(p);
761}
762
763void security_task_getsecid(struct task_struct *p, u32 *secid)
764{
765 security_ops->task_getsecid(p, secid);
766}
767EXPORT_SYMBOL(security_task_getsecid);
768
20510f2f
JM
769int security_task_setnice(struct task_struct *p, int nice)
770{
771 return security_ops->task_setnice(p, nice);
772}
773
774int security_task_setioprio(struct task_struct *p, int ioprio)
775{
776 return security_ops->task_setioprio(p, ioprio);
777}
778
779int security_task_getioprio(struct task_struct *p)
780{
781 return security_ops->task_getioprio(p);
782}
783
8fd00b4d
JS
784int security_task_setrlimit(struct task_struct *p, unsigned int resource,
785 struct rlimit *new_rlim)
20510f2f 786{
8fd00b4d 787 return security_ops->task_setrlimit(p, resource, new_rlim);
20510f2f
JM
788}
789
b0ae1981 790int security_task_setscheduler(struct task_struct *p)
20510f2f 791{
b0ae1981 792 return security_ops->task_setscheduler(p);
20510f2f
JM
793}
794
795int security_task_getscheduler(struct task_struct *p)
796{
797 return security_ops->task_getscheduler(p);
798}
799
800int security_task_movememory(struct task_struct *p)
801{
802 return security_ops->task_movememory(p);
803}
804
805int security_task_kill(struct task_struct *p, struct siginfo *info,
806 int sig, u32 secid)
807{
808 return security_ops->task_kill(p, info, sig, secid);
809}
810
811int security_task_wait(struct task_struct *p)
812{
813 return security_ops->task_wait(p);
814}
815
816int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 817 unsigned long arg4, unsigned long arg5)
20510f2f 818{
d84f4f99 819 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
820}
821
822void security_task_to_inode(struct task_struct *p, struct inode *inode)
823{
824 security_ops->task_to_inode(p, inode);
825}
826
827int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
828{
829 return security_ops->ipc_permission(ipcp, flag);
830}
831
8a076191
AD
832void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
833{
834 security_ops->ipc_getsecid(ipcp, secid);
835}
836
20510f2f
JM
837int security_msg_msg_alloc(struct msg_msg *msg)
838{
839 return security_ops->msg_msg_alloc_security(msg);
840}
841
842void security_msg_msg_free(struct msg_msg *msg)
843{
844 security_ops->msg_msg_free_security(msg);
845}
846
847int security_msg_queue_alloc(struct msg_queue *msq)
848{
849 return security_ops->msg_queue_alloc_security(msq);
850}
851
852void security_msg_queue_free(struct msg_queue *msq)
853{
854 security_ops->msg_queue_free_security(msq);
855}
856
857int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
858{
859 return security_ops->msg_queue_associate(msq, msqflg);
860}
861
862int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
863{
864 return security_ops->msg_queue_msgctl(msq, cmd);
865}
866
867int security_msg_queue_msgsnd(struct msg_queue *msq,
868 struct msg_msg *msg, int msqflg)
869{
870 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
871}
872
873int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
874 struct task_struct *target, long type, int mode)
875{
876 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
877}
878
879int security_shm_alloc(struct shmid_kernel *shp)
880{
881 return security_ops->shm_alloc_security(shp);
882}
883
884void security_shm_free(struct shmid_kernel *shp)
885{
886 security_ops->shm_free_security(shp);
887}
888
889int security_shm_associate(struct shmid_kernel *shp, int shmflg)
890{
891 return security_ops->shm_associate(shp, shmflg);
892}
893
894int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
895{
896 return security_ops->shm_shmctl(shp, cmd);
897}
898
899int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
900{
901 return security_ops->shm_shmat(shp, shmaddr, shmflg);
902}
903
904int security_sem_alloc(struct sem_array *sma)
905{
906 return security_ops->sem_alloc_security(sma);
907}
908
909void security_sem_free(struct sem_array *sma)
910{
911 security_ops->sem_free_security(sma);
912}
913
914int security_sem_associate(struct sem_array *sma, int semflg)
915{
916 return security_ops->sem_associate(sma, semflg);
917}
918
919int security_sem_semctl(struct sem_array *sma, int cmd)
920{
921 return security_ops->sem_semctl(sma, cmd);
922}
923
924int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
925 unsigned nsops, int alter)
926{
927 return security_ops->sem_semop(sma, sops, nsops, alter);
928}
929
930void security_d_instantiate(struct dentry *dentry, struct inode *inode)
931{
932 if (unlikely(inode && IS_PRIVATE(inode)))
933 return;
934 security_ops->d_instantiate(dentry, inode);
935}
936EXPORT_SYMBOL(security_d_instantiate);
937
938int security_getprocattr(struct task_struct *p, char *name, char **value)
939{
940 return security_ops->getprocattr(p, name, value);
941}
942
943int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
944{
945 return security_ops->setprocattr(p, name, value, size);
946}
947
948int security_netlink_send(struct sock *sk, struct sk_buff *skb)
949{
950 return security_ops->netlink_send(sk, skb);
951}
20510f2f
JM
952
953int security_netlink_recv(struct sk_buff *skb, int cap)
954{
955 return security_ops->netlink_recv(skb, cap);
956}
957EXPORT_SYMBOL(security_netlink_recv);
958
959int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
960{
961 return security_ops->secid_to_secctx(secid, secdata, seclen);
962}
963EXPORT_SYMBOL(security_secid_to_secctx);
964
7bf570dc 965int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
966{
967 return security_ops->secctx_to_secid(secdata, seclen, secid);
968}
969EXPORT_SYMBOL(security_secctx_to_secid);
970
20510f2f
JM
971void security_release_secctx(char *secdata, u32 seclen)
972{
65fc7668 973 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
974}
975EXPORT_SYMBOL(security_release_secctx);
976
1ee65e37
DQ
977int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
978{
979 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
980}
981EXPORT_SYMBOL(security_inode_notifysecctx);
982
983int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
984{
985 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
986}
987EXPORT_SYMBOL(security_inode_setsecctx);
988
989int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
990{
991 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
992}
993EXPORT_SYMBOL(security_inode_getsecctx);
994
20510f2f
JM
995#ifdef CONFIG_SECURITY_NETWORK
996
3610cda5 997int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
20510f2f
JM
998{
999 return security_ops->unix_stream_connect(sock, other, newsk);
1000}
1001EXPORT_SYMBOL(security_unix_stream_connect);
1002
1003int security_unix_may_send(struct socket *sock, struct socket *other)
1004{
1005 return security_ops->unix_may_send(sock, other);
1006}
1007EXPORT_SYMBOL(security_unix_may_send);
1008
1009int security_socket_create(int family, int type, int protocol, int kern)
1010{
1011 return security_ops->socket_create(family, type, protocol, kern);
1012}
1013
1014int security_socket_post_create(struct socket *sock, int family,
1015 int type, int protocol, int kern)
1016{
1017 return security_ops->socket_post_create(sock, family, type,
1018 protocol, kern);
1019}
1020
1021int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1022{
1023 return security_ops->socket_bind(sock, address, addrlen);
1024}
1025
1026int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1027{
1028 return security_ops->socket_connect(sock, address, addrlen);
1029}
1030
1031int security_socket_listen(struct socket *sock, int backlog)
1032{
1033 return security_ops->socket_listen(sock, backlog);
1034}
1035
1036int security_socket_accept(struct socket *sock, struct socket *newsock)
1037{
1038 return security_ops->socket_accept(sock, newsock);
1039}
1040
20510f2f
JM
1041int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1042{
1043 return security_ops->socket_sendmsg(sock, msg, size);
1044}
1045
1046int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1047 int size, int flags)
1048{
1049 return security_ops->socket_recvmsg(sock, msg, size, flags);
1050}
1051
1052int security_socket_getsockname(struct socket *sock)
1053{
1054 return security_ops->socket_getsockname(sock);
1055}
1056
1057int security_socket_getpeername(struct socket *sock)
1058{
1059 return security_ops->socket_getpeername(sock);
1060}
1061
1062int security_socket_getsockopt(struct socket *sock, int level, int optname)
1063{
1064 return security_ops->socket_getsockopt(sock, level, optname);
1065}
1066
1067int security_socket_setsockopt(struct socket *sock, int level, int optname)
1068{
1069 return security_ops->socket_setsockopt(sock, level, optname);
1070}
1071
1072int security_socket_shutdown(struct socket *sock, int how)
1073{
1074 return security_ops->socket_shutdown(sock, how);
1075}
1076
1077int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1078{
1079 return security_ops->socket_sock_rcv_skb(sk, skb);
1080}
1081EXPORT_SYMBOL(security_sock_rcv_skb);
1082
1083int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1084 int __user *optlen, unsigned len)
1085{
1086 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1087}
1088
1089int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1090{
1091 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1092}
1093EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1094
1095int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1096{
1097 return security_ops->sk_alloc_security(sk, family, priority);
1098}
1099
1100void security_sk_free(struct sock *sk)
1101{
65fc7668 1102 security_ops->sk_free_security(sk);
20510f2f
JM
1103}
1104
1105void security_sk_clone(const struct sock *sk, struct sock *newsk)
1106{
65fc7668 1107 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1108}
1109
1110void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1111{
1d28f42c 1112 security_ops->sk_getsecid(sk, &fl->flowi_secid);
20510f2f
JM
1113}
1114EXPORT_SYMBOL(security_sk_classify_flow);
1115
1116void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1117{
1118 security_ops->req_classify_flow(req, fl);
1119}
1120EXPORT_SYMBOL(security_req_classify_flow);
1121
1122void security_sock_graft(struct sock *sk, struct socket *parent)
1123{
1124 security_ops->sock_graft(sk, parent);
1125}
1126EXPORT_SYMBOL(security_sock_graft);
1127
1128int security_inet_conn_request(struct sock *sk,
1129 struct sk_buff *skb, struct request_sock *req)
1130{
1131 return security_ops->inet_conn_request(sk, skb, req);
1132}
1133EXPORT_SYMBOL(security_inet_conn_request);
1134
1135void security_inet_csk_clone(struct sock *newsk,
1136 const struct request_sock *req)
1137{
1138 security_ops->inet_csk_clone(newsk, req);
1139}
1140
1141void security_inet_conn_established(struct sock *sk,
1142 struct sk_buff *skb)
1143{
1144 security_ops->inet_conn_established(sk, skb);
1145}
1146
2606fd1f
EP
1147int security_secmark_relabel_packet(u32 secid)
1148{
1149 return security_ops->secmark_relabel_packet(secid);
1150}
1151EXPORT_SYMBOL(security_secmark_relabel_packet);
1152
1153void security_secmark_refcount_inc(void)
1154{
1155 security_ops->secmark_refcount_inc();
1156}
1157EXPORT_SYMBOL(security_secmark_refcount_inc);
1158
1159void security_secmark_refcount_dec(void)
1160{
1161 security_ops->secmark_refcount_dec();
1162}
1163EXPORT_SYMBOL(security_secmark_refcount_dec);
1164
2b980dbd
PM
1165int security_tun_dev_create(void)
1166{
1167 return security_ops->tun_dev_create();
1168}
1169EXPORT_SYMBOL(security_tun_dev_create);
1170
1171void security_tun_dev_post_create(struct sock *sk)
1172{
1173 return security_ops->tun_dev_post_create(sk);
1174}
1175EXPORT_SYMBOL(security_tun_dev_post_create);
1176
1177int security_tun_dev_attach(struct sock *sk)
1178{
1179 return security_ops->tun_dev_attach(sk);
1180}
1181EXPORT_SYMBOL(security_tun_dev_attach);
1182
20510f2f
JM
1183#endif /* CONFIG_SECURITY_NETWORK */
1184
1185#ifdef CONFIG_SECURITY_NETWORK_XFRM
1186
03e1ad7b 1187int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1188{
03e1ad7b 1189 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1190}
1191EXPORT_SYMBOL(security_xfrm_policy_alloc);
1192
03e1ad7b
PM
1193int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1194 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1195{
03e1ad7b 1196 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1197}
1198
03e1ad7b 1199void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1200{
03e1ad7b 1201 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1202}
1203EXPORT_SYMBOL(security_xfrm_policy_free);
1204
03e1ad7b 1205int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1206{
03e1ad7b 1207 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1208}
1209
1210int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1211{
1212 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1213}
1214EXPORT_SYMBOL(security_xfrm_state_alloc);
1215
1216int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1217 struct xfrm_sec_ctx *polsec, u32 secid)
1218{
1219 if (!polsec)
1220 return 0;
1221 /*
1222 * We want the context to be taken from secid which is usually
1223 * from the sock.
1224 */
1225 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1226}
1227
1228int security_xfrm_state_delete(struct xfrm_state *x)
1229{
1230 return security_ops->xfrm_state_delete_security(x);
1231}
1232EXPORT_SYMBOL(security_xfrm_state_delete);
1233
1234void security_xfrm_state_free(struct xfrm_state *x)
1235{
1236 security_ops->xfrm_state_free_security(x);
1237}
1238
03e1ad7b 1239int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1240{
03e1ad7b 1241 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1242}
1243
1244int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704
DM
1245 struct xfrm_policy *xp,
1246 const struct flowi *fl)
20510f2f
JM
1247{
1248 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1249}
1250
1251int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1252{
1253 return security_ops->xfrm_decode_session(skb, secid, 1);
1254}
1255
1256void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1257{
1d28f42c 1258 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
20510f2f
JM
1259
1260 BUG_ON(rc);
1261}
1262EXPORT_SYMBOL(security_skb_classify_flow);
1263
1264#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1265
1266#ifdef CONFIG_KEYS
1267
d84f4f99
DH
1268int security_key_alloc(struct key *key, const struct cred *cred,
1269 unsigned long flags)
20510f2f 1270{
d84f4f99 1271 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1272}
1273
1274void security_key_free(struct key *key)
1275{
1276 security_ops->key_free(key);
1277}
1278
1279int security_key_permission(key_ref_t key_ref,
d84f4f99 1280 const struct cred *cred, key_perm_t perm)
20510f2f 1281{
d84f4f99 1282 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1283}
1284
70a5bb72
DH
1285int security_key_getsecurity(struct key *key, char **_buffer)
1286{
1287 return security_ops->key_getsecurity(key, _buffer);
1288}
1289
20510f2f 1290#endif /* CONFIG_KEYS */
03d37d25
AD
1291
1292#ifdef CONFIG_AUDIT
1293
1294int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1295{
1296 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1297}
1298
1299int security_audit_rule_known(struct audit_krule *krule)
1300{
1301 return security_ops->audit_rule_known(krule);
1302}
1303
1304void security_audit_rule_free(void *lsmrule)
1305{
1306 security_ops->audit_rule_free(lsmrule);
1307}
1308
1309int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1310 struct audit_context *actx)
1311{
1312 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1313}
1314
1315#endif /* CONFIG_AUDIT */