Merge branch 'next-queue' into next
[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>
f381c272 19#include <linux/integrity.h>
6c21a7fb 20#include <linux/ima.h>
3e1be52d 21#include <linux/evm.h>
1da177e4 22
823eb1cc 23#define MAX_LSM_EVM_XATTR 2
1da177e4 24
076c54c5 25/* Boot-time LSM user choice */
6e65f92f
JJ
26static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
27 CONFIG_DEFAULT_SECURITY;
1da177e4 28
189b3b1c 29static struct security_operations *security_ops;
30static struct security_operations default_security_ops = {
31 .name = "default",
32};
a5ecbcb8 33
c80901f2 34static inline int __init verify(struct security_operations *ops)
1da177e4
LT
35{
36 /* verify the security_operations structure exists */
37 if (!ops)
38 return -EINVAL;
39 security_fixup_ops(ops);
40 return 0;
41}
42
43static void __init do_security_initcalls(void)
44{
45 initcall_t *call;
46 call = __security_initcall_start;
47 while (call < __security_initcall_end) {
48 (*call) ();
49 call++;
50 }
51}
52
53/**
54 * security_init - initializes the security framework
55 *
56 * This should be called early in the kernel initialization sequence.
57 */
58int __init security_init(void)
59{
20510f2f 60 printk(KERN_INFO "Security Framework initialized\n");
1da177e4 61
5915eb53
MS
62 security_fixup_ops(&default_security_ops);
63 security_ops = &default_security_ops;
1da177e4
LT
64 do_security_initcalls();
65
66 return 0;
67}
68
189b3b1c 69void reset_security_ops(void)
70{
71 security_ops = &default_security_ops;
72}
73
076c54c5
AD
74/* Save user chosen LSM */
75static int __init choose_lsm(char *str)
76{
77 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
78 return 1;
79}
80__setup("security=", choose_lsm);
81
82/**
83 * security_module_enable - Load given security module on boot ?
84 * @ops: a pointer to the struct security_operations that is to be checked.
85 *
86 * Each LSM must pass this method before registering its own operations
87 * to avoid security registration races. This method may also be used
7cea51be 88 * to check if your LSM is currently loaded during kernel initialization.
076c54c5
AD
89 *
90 * Return true if:
91 * -The passed LSM is the one chosen by user at boot time,
6e65f92f 92 * -or the passed LSM is configured as the default and the user did not
065d78a0 93 * choose an alternate LSM at boot time.
076c54c5
AD
94 * Otherwise, return false.
95 */
96int __init security_module_enable(struct security_operations *ops)
97{
065d78a0 98 return !strcmp(ops->name, chosen_lsm);
076c54c5
AD
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 112 */
c1e992b9 113int __init register_security(struct security_operations *ops)
1da177e4
LT
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
b7e724d3 158int security_capable(const struct cred *cred, struct user_namespace *ns,
3486740a 159 int cap)
20510f2f 160{
6a9de491 161 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
06112163
EP
162}
163
c7eba4a9
EP
164int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
165 int cap)
06112163 166{
c7eba4a9 167 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
20510f2f
JM
168}
169
20510f2f
JM
170int security_quotactl(int cmds, int type, int id, struct super_block *sb)
171{
172 return security_ops->quotactl(cmds, type, id, sb);
173}
174
175int security_quota_on(struct dentry *dentry)
176{
177 return security_ops->quota_on(dentry);
178}
179
12b3052c 180int security_syslog(int type)
20510f2f 181{
12b3052c 182 return security_ops->syslog(type);
20510f2f
JM
183}
184
1e6d7679 185int security_settime(const struct timespec *ts, const struct timezone *tz)
20510f2f
JM
186{
187 return security_ops->settime(ts, tz);
188}
189
190int security_vm_enough_memory(long pages)
191{
731572d3 192 WARN_ON(current->mm == NULL);
20510f2f
JM
193 return security_ops->vm_enough_memory(current->mm, pages);
194}
195
196int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
197{
731572d3 198 WARN_ON(mm == NULL);
20510f2f
JM
199 return security_ops->vm_enough_memory(mm, pages);
200}
201
731572d3
AC
202int security_vm_enough_memory_kern(long pages)
203{
204 /* If current->mm is a kernel thread then we will pass NULL,
205 for this specific case that is fine */
206 return security_ops->vm_enough_memory(current->mm, pages);
207}
208
a6f76f23 209int security_bprm_set_creds(struct linux_binprm *bprm)
20510f2f 210{
a6f76f23 211 return security_ops->bprm_set_creds(bprm);
20510f2f
JM
212}
213
a6f76f23 214int security_bprm_check(struct linux_binprm *bprm)
20510f2f 215{
6c21a7fb
MZ
216 int ret;
217
218 ret = security_ops->bprm_check_security(bprm);
219 if (ret)
220 return ret;
221 return ima_bprm_check(bprm);
20510f2f
JM
222}
223
a6f76f23 224void security_bprm_committing_creds(struct linux_binprm *bprm)
20510f2f 225{
200036ca 226 security_ops->bprm_committing_creds(bprm);
20510f2f
JM
227}
228
a6f76f23 229void security_bprm_committed_creds(struct linux_binprm *bprm)
20510f2f 230{
200036ca 231 security_ops->bprm_committed_creds(bprm);
20510f2f
JM
232}
233
234int security_bprm_secureexec(struct linux_binprm *bprm)
235{
236 return security_ops->bprm_secureexec(bprm);
237}
238
239int security_sb_alloc(struct super_block *sb)
240{
241 return security_ops->sb_alloc_security(sb);
242}
243
244void security_sb_free(struct super_block *sb)
245{
246 security_ops->sb_free_security(sb);
247}
248
e0007529 249int security_sb_copy_data(char *orig, char *copy)
20510f2f 250{
e0007529 251 return security_ops->sb_copy_data(orig, copy);
20510f2f 252}
e0007529 253EXPORT_SYMBOL(security_sb_copy_data);
20510f2f 254
ff36fe2c
EP
255int security_sb_remount(struct super_block *sb, void *data)
256{
257 return security_ops->sb_remount(sb, data);
258}
259
12204e24 260int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
20510f2f 261{
12204e24 262 return security_ops->sb_kern_mount(sb, flags, data);
20510f2f
JM
263}
264
2069f457
EP
265int security_sb_show_options(struct seq_file *m, struct super_block *sb)
266{
267 return security_ops->sb_show_options(m, sb);
268}
269
20510f2f
JM
270int security_sb_statfs(struct dentry *dentry)
271{
272 return security_ops->sb_statfs(dentry);
273}
274
b5266eb4 275int security_sb_mount(char *dev_name, struct path *path,
20510f2f
JM
276 char *type, unsigned long flags, void *data)
277{
b5266eb4 278 return security_ops->sb_mount(dev_name, path, type, flags, data);
20510f2f
JM
279}
280
20510f2f
JM
281int security_sb_umount(struct vfsmount *mnt, int flags)
282{
283 return security_ops->sb_umount(mnt, flags);
284}
285
b5266eb4 286int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 287{
b5266eb4 288 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
289}
290
c9180a57 291int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 292 struct security_mnt_opts *opts)
c9180a57 293{
e0007529 294 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 295}
e0007529 296EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
297
298void security_sb_clone_mnt_opts(const struct super_block *oldsb,
299 struct super_block *newsb)
300{
301 security_ops->sb_clone_mnt_opts(oldsb, newsb);
302}
e0007529
EP
303EXPORT_SYMBOL(security_sb_clone_mnt_opts);
304
305int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
306{
307 return security_ops->sb_parse_opts_str(options, opts);
308}
309EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 310
20510f2f
JM
311int security_inode_alloc(struct inode *inode)
312{
313 inode->i_security = NULL;
bc7d2a3e 314 return security_ops->inode_alloc_security(inode);
20510f2f
JM
315}
316
317void security_inode_free(struct inode *inode)
318{
f381c272 319 integrity_inode_free(inode);
20510f2f
JM
320 security_ops->inode_free_security(inode);
321}
322
323int security_inode_init_security(struct inode *inode, struct inode *dir,
9d8f13ba
MZ
324 const struct qstr *qstr,
325 const initxattrs initxattrs, void *fs_data)
20510f2f 326{
823eb1cc
MZ
327 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
328 struct xattr *lsm_xattr, *evm_xattr, *xattr;
9d8f13ba
MZ
329 int ret;
330
20510f2f 331 if (unlikely(IS_PRIVATE(inode)))
fb88c2b6 332 return 0;
9d8f13ba
MZ
333
334 memset(new_xattrs, 0, sizeof new_xattrs);
335 if (!initxattrs)
336 return security_ops->inode_init_security(inode, dir, qstr,
337 NULL, NULL, NULL);
338 lsm_xattr = new_xattrs;
339 ret = security_ops->inode_init_security(inode, dir, qstr,
340 &lsm_xattr->name,
341 &lsm_xattr->value,
342 &lsm_xattr->value_len);
343 if (ret)
344 goto out;
823eb1cc
MZ
345
346 evm_xattr = lsm_xattr + 1;
347 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
348 if (ret)
349 goto out;
9d8f13ba
MZ
350 ret = initxattrs(inode, new_xattrs, fs_data);
351out:
823eb1cc
MZ
352 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
353 kfree(xattr->name);
354 kfree(xattr->value);
355 }
9d8f13ba
MZ
356 return (ret == -EOPNOTSUPP) ? 0 : ret;
357}
358EXPORT_SYMBOL(security_inode_init_security);
359
360int security_old_inode_init_security(struct inode *inode, struct inode *dir,
361 const struct qstr *qstr, char **name,
362 void **value, size_t *len)
20510f2f
JM
363{
364 if (unlikely(IS_PRIVATE(inode)))
30e05324 365 return -EOPNOTSUPP;
2a7dba39
EP
366 return security_ops->inode_init_security(inode, dir, qstr, name, value,
367 len);
20510f2f 368}
9d8f13ba 369EXPORT_SYMBOL(security_old_inode_init_security);
20510f2f 370
be6d3e56 371#ifdef CONFIG_SECURITY_PATH
04fc66e7 372int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
be6d3e56
KT
373 unsigned int dev)
374{
5d0901a3 375 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 376 return 0;
5d0901a3 377 return security_ops->path_mknod(dir, dentry, mode, dev);
be6d3e56
KT
378}
379EXPORT_SYMBOL(security_path_mknod);
380
4572befe 381int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
be6d3e56 382{
5d0901a3 383 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 384 return 0;
5d0901a3 385 return security_ops->path_mkdir(dir, dentry, mode);
be6d3e56 386}
82140443 387EXPORT_SYMBOL(security_path_mkdir);
be6d3e56 388
5d0901a3 389int security_path_rmdir(struct path *dir, struct dentry *dentry)
be6d3e56 390{
5d0901a3 391 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 392 return 0;
5d0901a3 393 return security_ops->path_rmdir(dir, dentry);
be6d3e56
KT
394}
395
5d0901a3 396int security_path_unlink(struct path *dir, struct dentry *dentry)
be6d3e56 397{
5d0901a3 398 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 399 return 0;
5d0901a3 400 return security_ops->path_unlink(dir, dentry);
be6d3e56 401}
82140443 402EXPORT_SYMBOL(security_path_unlink);
be6d3e56 403
5d0901a3 404int security_path_symlink(struct path *dir, struct dentry *dentry,
be6d3e56
KT
405 const char *old_name)
406{
5d0901a3 407 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 408 return 0;
5d0901a3 409 return security_ops->path_symlink(dir, dentry, old_name);
be6d3e56
KT
410}
411
412int security_path_link(struct dentry *old_dentry, struct path *new_dir,
413 struct dentry *new_dentry)
414{
415 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
416 return 0;
417 return security_ops->path_link(old_dentry, new_dir, new_dentry);
418}
419
420int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
421 struct path *new_dir, struct dentry *new_dentry)
422{
423 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
424 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
425 return 0;
426 return security_ops->path_rename(old_dir, old_dentry, new_dir,
427 new_dentry);
428}
82140443 429EXPORT_SYMBOL(security_path_rename);
be6d3e56 430
ea0d3ab2 431int security_path_truncate(struct path *path)
be6d3e56
KT
432{
433 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
434 return 0;
ea0d3ab2 435 return security_ops->path_truncate(path);
be6d3e56 436}
89eda068 437
cdcf116d 438int security_path_chmod(struct path *path, umode_t mode)
89eda068 439{
cdcf116d 440 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
89eda068 441 return 0;
cdcf116d 442 return security_ops->path_chmod(path, mode);
89eda068
TH
443}
444
445int security_path_chown(struct path *path, uid_t uid, gid_t gid)
446{
447 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
448 return 0;
449 return security_ops->path_chown(path, uid, gid);
450}
8b8efb44
TH
451
452int security_path_chroot(struct path *path)
453{
454 return security_ops->path_chroot(path);
455}
be6d3e56
KT
456#endif
457
4acdaf27 458int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
20510f2f
JM
459{
460 if (unlikely(IS_PRIVATE(dir)))
461 return 0;
462 return security_ops->inode_create(dir, dentry, mode);
463}
800a9647 464EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
465
466int security_inode_link(struct dentry *old_dentry, struct inode *dir,
467 struct dentry *new_dentry)
468{
469 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
470 return 0;
471 return security_ops->inode_link(old_dentry, dir, new_dentry);
472}
473
474int security_inode_unlink(struct inode *dir, struct dentry *dentry)
475{
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_unlink(dir, dentry);
479}
480
481int security_inode_symlink(struct inode *dir, struct dentry *dentry,
482 const char *old_name)
483{
484 if (unlikely(IS_PRIVATE(dir)))
485 return 0;
486 return security_ops->inode_symlink(dir, dentry, old_name);
487}
488
18bb1db3 489int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
20510f2f
JM
490{
491 if (unlikely(IS_PRIVATE(dir)))
492 return 0;
493 return security_ops->inode_mkdir(dir, dentry, mode);
494}
800a9647 495EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
496
497int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
498{
499 if (unlikely(IS_PRIVATE(dentry->d_inode)))
500 return 0;
501 return security_ops->inode_rmdir(dir, dentry);
502}
503
1a67aafb 504int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
20510f2f
JM
505{
506 if (unlikely(IS_PRIVATE(dir)))
507 return 0;
508 return security_ops->inode_mknod(dir, dentry, mode, dev);
509}
510
511int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
512 struct inode *new_dir, struct dentry *new_dentry)
513{
514 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
515 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
516 return 0;
517 return security_ops->inode_rename(old_dir, old_dentry,
518 new_dir, new_dentry);
519}
520
521int security_inode_readlink(struct dentry *dentry)
522{
523 if (unlikely(IS_PRIVATE(dentry->d_inode)))
524 return 0;
525 return security_ops->inode_readlink(dentry);
526}
527
528int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
529{
530 if (unlikely(IS_PRIVATE(dentry->d_inode)))
531 return 0;
532 return security_ops->inode_follow_link(dentry, nd);
533}
534
b77b0646 535int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
536{
537 if (unlikely(IS_PRIVATE(inode)))
538 return 0;
e74f71eb 539 return security_ops->inode_permission(inode, mask);
20510f2f
JM
540}
541
542int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
543{
817b54aa
MZ
544 int ret;
545
20510f2f
JM
546 if (unlikely(IS_PRIVATE(dentry->d_inode)))
547 return 0;
817b54aa
MZ
548 ret = security_ops->inode_setattr(dentry, attr);
549 if (ret)
550 return ret;
551 return evm_inode_setattr(dentry, attr);
20510f2f 552}
b1da47e2 553EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
554
555int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
556{
557 if (unlikely(IS_PRIVATE(dentry->d_inode)))
558 return 0;
559 return security_ops->inode_getattr(mnt, dentry);
560}
561
8f0cfa52
DH
562int security_inode_setxattr(struct dentry *dentry, const char *name,
563 const void *value, size_t size, int flags)
20510f2f 564{
3e1be52d
MZ
565 int ret;
566
20510f2f
JM
567 if (unlikely(IS_PRIVATE(dentry->d_inode)))
568 return 0;
3e1be52d
MZ
569 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
570 if (ret)
571 return ret;
572 return evm_inode_setxattr(dentry, name, value, size);
20510f2f
JM
573}
574
8f0cfa52
DH
575void security_inode_post_setxattr(struct dentry *dentry, const char *name,
576 const void *value, size_t size, int flags)
20510f2f
JM
577{
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
579 return;
580 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
3e1be52d 581 evm_inode_post_setxattr(dentry, name, value, size);
20510f2f
JM
582}
583
8f0cfa52 584int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
585{
586 if (unlikely(IS_PRIVATE(dentry->d_inode)))
587 return 0;
588 return security_ops->inode_getxattr(dentry, name);
589}
590
591int security_inode_listxattr(struct dentry *dentry)
592{
593 if (unlikely(IS_PRIVATE(dentry->d_inode)))
594 return 0;
595 return security_ops->inode_listxattr(dentry);
596}
597
8f0cfa52 598int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f 599{
3e1be52d
MZ
600 int ret;
601
20510f2f
JM
602 if (unlikely(IS_PRIVATE(dentry->d_inode)))
603 return 0;
3e1be52d
MZ
604 ret = security_ops->inode_removexattr(dentry, name);
605 if (ret)
606 return ret;
607 return evm_inode_removexattr(dentry, name);
20510f2f
JM
608}
609
b5376771
SH
610int security_inode_need_killpriv(struct dentry *dentry)
611{
612 return security_ops->inode_need_killpriv(dentry);
613}
614
615int security_inode_killpriv(struct dentry *dentry)
616{
617 return security_ops->inode_killpriv(dentry);
618}
619
42492594 620int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
621{
622 if (unlikely(IS_PRIVATE(inode)))
8d952504 623 return -EOPNOTSUPP;
42492594 624 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
625}
626
627int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
628{
629 if (unlikely(IS_PRIVATE(inode)))
8d952504 630 return -EOPNOTSUPP;
20510f2f
JM
631 return security_ops->inode_setsecurity(inode, name, value, size, flags);
632}
633
634int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
635{
636 if (unlikely(IS_PRIVATE(inode)))
637 return 0;
638 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
639}
640
8a076191
AD
641void security_inode_getsecid(const struct inode *inode, u32 *secid)
642{
643 security_ops->inode_getsecid(inode, secid);
644}
645
20510f2f
JM
646int security_file_permission(struct file *file, int mask)
647{
c4ec54b4
EP
648 int ret;
649
650 ret = security_ops->file_permission(file, mask);
651 if (ret)
652 return ret;
653
654 return fsnotify_perm(file, mask);
20510f2f
JM
655}
656
657int security_file_alloc(struct file *file)
658{
659 return security_ops->file_alloc_security(file);
660}
661
662void security_file_free(struct file *file)
663{
664 security_ops->file_free_security(file);
665}
666
667int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
668{
669 return security_ops->file_ioctl(file, cmd, arg);
670}
671
672int security_file_mmap(struct file *file, unsigned long reqprot,
673 unsigned long prot, unsigned long flags,
674 unsigned long addr, unsigned long addr_only)
675{
6c21a7fb
MZ
676 int ret;
677
678 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
679 if (ret)
680 return ret;
681 return ima_file_mmap(file, prot);
20510f2f
JM
682}
683
684int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
685 unsigned long prot)
686{
687 return security_ops->file_mprotect(vma, reqprot, prot);
688}
689
690int security_file_lock(struct file *file, unsigned int cmd)
691{
692 return security_ops->file_lock(file, cmd);
693}
694
695int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
696{
697 return security_ops->file_fcntl(file, cmd, arg);
698}
699
700int security_file_set_fowner(struct file *file)
701{
702 return security_ops->file_set_fowner(file);
703}
704
705int security_file_send_sigiotask(struct task_struct *tsk,
706 struct fown_struct *fown, int sig)
707{
708 return security_ops->file_send_sigiotask(tsk, fown, sig);
709}
710
711int security_file_receive(struct file *file)
712{
713 return security_ops->file_receive(file);
714}
715
745ca247 716int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 717{
c4ec54b4
EP
718 int ret;
719
720 ret = security_ops->dentry_open(file, cred);
721 if (ret)
722 return ret;
723
724 return fsnotify_perm(file, MAY_OPEN);
20510f2f
JM
725}
726
727int security_task_create(unsigned long clone_flags)
728{
729 return security_ops->task_create(clone_flags);
730}
731
ee18d64c
DH
732int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
733{
734 return security_ops->cred_alloc_blank(cred, gfp);
735}
736
d84f4f99 737void security_cred_free(struct cred *cred)
20510f2f 738{
d84f4f99 739 security_ops->cred_free(cred);
20510f2f
JM
740}
741
d84f4f99 742int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 743{
d84f4f99
DH
744 return security_ops->cred_prepare(new, old, gfp);
745}
746
ee18d64c
DH
747void security_transfer_creds(struct cred *new, const struct cred *old)
748{
749 security_ops->cred_transfer(new, old);
750}
751
3a3b7ce9
DH
752int security_kernel_act_as(struct cred *new, u32 secid)
753{
754 return security_ops->kernel_act_as(new, secid);
755}
756
757int security_kernel_create_files_as(struct cred *new, struct inode *inode)
758{
759 return security_ops->kernel_create_files_as(new, inode);
760}
761
dd8dbf2e 762int security_kernel_module_request(char *kmod_name)
9188499c 763{
dd8dbf2e 764 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
765}
766
d84f4f99
DH
767int security_task_fix_setuid(struct cred *new, const struct cred *old,
768 int flags)
20510f2f 769{
d84f4f99 770 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
771}
772
20510f2f
JM
773int security_task_setpgid(struct task_struct *p, pid_t pgid)
774{
775 return security_ops->task_setpgid(p, pgid);
776}
777
778int security_task_getpgid(struct task_struct *p)
779{
780 return security_ops->task_getpgid(p);
781}
782
783int security_task_getsid(struct task_struct *p)
784{
785 return security_ops->task_getsid(p);
786}
787
788void security_task_getsecid(struct task_struct *p, u32 *secid)
789{
790 security_ops->task_getsecid(p, secid);
791}
792EXPORT_SYMBOL(security_task_getsecid);
793
20510f2f
JM
794int security_task_setnice(struct task_struct *p, int nice)
795{
796 return security_ops->task_setnice(p, nice);
797}
798
799int security_task_setioprio(struct task_struct *p, int ioprio)
800{
801 return security_ops->task_setioprio(p, ioprio);
802}
803
804int security_task_getioprio(struct task_struct *p)
805{
806 return security_ops->task_getioprio(p);
807}
808
8fd00b4d
JS
809int security_task_setrlimit(struct task_struct *p, unsigned int resource,
810 struct rlimit *new_rlim)
20510f2f 811{
8fd00b4d 812 return security_ops->task_setrlimit(p, resource, new_rlim);
20510f2f
JM
813}
814
b0ae1981 815int security_task_setscheduler(struct task_struct *p)
20510f2f 816{
b0ae1981 817 return security_ops->task_setscheduler(p);
20510f2f
JM
818}
819
820int security_task_getscheduler(struct task_struct *p)
821{
822 return security_ops->task_getscheduler(p);
823}
824
825int security_task_movememory(struct task_struct *p)
826{
827 return security_ops->task_movememory(p);
828}
829
830int security_task_kill(struct task_struct *p, struct siginfo *info,
831 int sig, u32 secid)
832{
833 return security_ops->task_kill(p, info, sig, secid);
834}
835
836int security_task_wait(struct task_struct *p)
837{
838 return security_ops->task_wait(p);
839}
840
841int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 842 unsigned long arg4, unsigned long arg5)
20510f2f 843{
d84f4f99 844 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
845}
846
847void security_task_to_inode(struct task_struct *p, struct inode *inode)
848{
849 security_ops->task_to_inode(p, inode);
850}
851
852int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
853{
854 return security_ops->ipc_permission(ipcp, flag);
855}
856
8a076191
AD
857void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
858{
859 security_ops->ipc_getsecid(ipcp, secid);
860}
861
20510f2f
JM
862int security_msg_msg_alloc(struct msg_msg *msg)
863{
864 return security_ops->msg_msg_alloc_security(msg);
865}
866
867void security_msg_msg_free(struct msg_msg *msg)
868{
869 security_ops->msg_msg_free_security(msg);
870}
871
872int security_msg_queue_alloc(struct msg_queue *msq)
873{
874 return security_ops->msg_queue_alloc_security(msq);
875}
876
877void security_msg_queue_free(struct msg_queue *msq)
878{
879 security_ops->msg_queue_free_security(msq);
880}
881
882int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
883{
884 return security_ops->msg_queue_associate(msq, msqflg);
885}
886
887int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
888{
889 return security_ops->msg_queue_msgctl(msq, cmd);
890}
891
892int security_msg_queue_msgsnd(struct msg_queue *msq,
893 struct msg_msg *msg, int msqflg)
894{
895 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
896}
897
898int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
899 struct task_struct *target, long type, int mode)
900{
901 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
902}
903
904int security_shm_alloc(struct shmid_kernel *shp)
905{
906 return security_ops->shm_alloc_security(shp);
907}
908
909void security_shm_free(struct shmid_kernel *shp)
910{
911 security_ops->shm_free_security(shp);
912}
913
914int security_shm_associate(struct shmid_kernel *shp, int shmflg)
915{
916 return security_ops->shm_associate(shp, shmflg);
917}
918
919int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
920{
921 return security_ops->shm_shmctl(shp, cmd);
922}
923
924int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
925{
926 return security_ops->shm_shmat(shp, shmaddr, shmflg);
927}
928
929int security_sem_alloc(struct sem_array *sma)
930{
931 return security_ops->sem_alloc_security(sma);
932}
933
934void security_sem_free(struct sem_array *sma)
935{
936 security_ops->sem_free_security(sma);
937}
938
939int security_sem_associate(struct sem_array *sma, int semflg)
940{
941 return security_ops->sem_associate(sma, semflg);
942}
943
944int security_sem_semctl(struct sem_array *sma, int cmd)
945{
946 return security_ops->sem_semctl(sma, cmd);
947}
948
949int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
950 unsigned nsops, int alter)
951{
952 return security_ops->sem_semop(sma, sops, nsops, alter);
953}
954
955void security_d_instantiate(struct dentry *dentry, struct inode *inode)
956{
957 if (unlikely(inode && IS_PRIVATE(inode)))
958 return;
959 security_ops->d_instantiate(dentry, inode);
960}
961EXPORT_SYMBOL(security_d_instantiate);
962
963int security_getprocattr(struct task_struct *p, char *name, char **value)
964{
965 return security_ops->getprocattr(p, name, value);
966}
967
968int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
969{
970 return security_ops->setprocattr(p, name, value, size);
971}
972
973int security_netlink_send(struct sock *sk, struct sk_buff *skb)
974{
975 return security_ops->netlink_send(sk, skb);
976}
20510f2f 977
20510f2f
JM
978int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
979{
980 return security_ops->secid_to_secctx(secid, secdata, seclen);
981}
982EXPORT_SYMBOL(security_secid_to_secctx);
983
7bf570dc 984int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
985{
986 return security_ops->secctx_to_secid(secdata, seclen, secid);
987}
988EXPORT_SYMBOL(security_secctx_to_secid);
989
20510f2f
JM
990void security_release_secctx(char *secdata, u32 seclen)
991{
65fc7668 992 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
993}
994EXPORT_SYMBOL(security_release_secctx);
995
1ee65e37
DQ
996int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
997{
998 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
999}
1000EXPORT_SYMBOL(security_inode_notifysecctx);
1001
1002int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1003{
1004 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1005}
1006EXPORT_SYMBOL(security_inode_setsecctx);
1007
1008int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1009{
1010 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1011}
1012EXPORT_SYMBOL(security_inode_getsecctx);
1013
20510f2f
JM
1014#ifdef CONFIG_SECURITY_NETWORK
1015
3610cda5 1016int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
20510f2f
JM
1017{
1018 return security_ops->unix_stream_connect(sock, other, newsk);
1019}
1020EXPORT_SYMBOL(security_unix_stream_connect);
1021
1022int security_unix_may_send(struct socket *sock, struct socket *other)
1023{
1024 return security_ops->unix_may_send(sock, other);
1025}
1026EXPORT_SYMBOL(security_unix_may_send);
1027
1028int security_socket_create(int family, int type, int protocol, int kern)
1029{
1030 return security_ops->socket_create(family, type, protocol, kern);
1031}
1032
1033int security_socket_post_create(struct socket *sock, int family,
1034 int type, int protocol, int kern)
1035{
1036 return security_ops->socket_post_create(sock, family, type,
1037 protocol, kern);
1038}
1039
1040int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1041{
1042 return security_ops->socket_bind(sock, address, addrlen);
1043}
1044
1045int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1046{
1047 return security_ops->socket_connect(sock, address, addrlen);
1048}
1049
1050int security_socket_listen(struct socket *sock, int backlog)
1051{
1052 return security_ops->socket_listen(sock, backlog);
1053}
1054
1055int security_socket_accept(struct socket *sock, struct socket *newsock)
1056{
1057 return security_ops->socket_accept(sock, newsock);
1058}
1059
20510f2f
JM
1060int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1061{
1062 return security_ops->socket_sendmsg(sock, msg, size);
1063}
1064
1065int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1066 int size, int flags)
1067{
1068 return security_ops->socket_recvmsg(sock, msg, size, flags);
1069}
1070
1071int security_socket_getsockname(struct socket *sock)
1072{
1073 return security_ops->socket_getsockname(sock);
1074}
1075
1076int security_socket_getpeername(struct socket *sock)
1077{
1078 return security_ops->socket_getpeername(sock);
1079}
1080
1081int security_socket_getsockopt(struct socket *sock, int level, int optname)
1082{
1083 return security_ops->socket_getsockopt(sock, level, optname);
1084}
1085
1086int security_socket_setsockopt(struct socket *sock, int level, int optname)
1087{
1088 return security_ops->socket_setsockopt(sock, level, optname);
1089}
1090
1091int security_socket_shutdown(struct socket *sock, int how)
1092{
1093 return security_ops->socket_shutdown(sock, how);
1094}
1095
1096int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1097{
1098 return security_ops->socket_sock_rcv_skb(sk, skb);
1099}
1100EXPORT_SYMBOL(security_sock_rcv_skb);
1101
1102int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1103 int __user *optlen, unsigned len)
1104{
1105 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1106}
1107
1108int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1109{
1110 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1111}
1112EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1113
1114int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1115{
1116 return security_ops->sk_alloc_security(sk, family, priority);
1117}
1118
1119void security_sk_free(struct sock *sk)
1120{
65fc7668 1121 security_ops->sk_free_security(sk);
20510f2f
JM
1122}
1123
1124void security_sk_clone(const struct sock *sk, struct sock *newsk)
1125{
65fc7668 1126 security_ops->sk_clone_security(sk, newsk);
20510f2f 1127}
6230c9b4 1128EXPORT_SYMBOL(security_sk_clone);
20510f2f
JM
1129
1130void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1131{
1d28f42c 1132 security_ops->sk_getsecid(sk, &fl->flowi_secid);
20510f2f
JM
1133}
1134EXPORT_SYMBOL(security_sk_classify_flow);
1135
1136void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1137{
1138 security_ops->req_classify_flow(req, fl);
1139}
1140EXPORT_SYMBOL(security_req_classify_flow);
1141
1142void security_sock_graft(struct sock *sk, struct socket *parent)
1143{
1144 security_ops->sock_graft(sk, parent);
1145}
1146EXPORT_SYMBOL(security_sock_graft);
1147
1148int security_inet_conn_request(struct sock *sk,
1149 struct sk_buff *skb, struct request_sock *req)
1150{
1151 return security_ops->inet_conn_request(sk, skb, req);
1152}
1153EXPORT_SYMBOL(security_inet_conn_request);
1154
1155void security_inet_csk_clone(struct sock *newsk,
1156 const struct request_sock *req)
1157{
1158 security_ops->inet_csk_clone(newsk, req);
1159}
1160
1161void security_inet_conn_established(struct sock *sk,
1162 struct sk_buff *skb)
1163{
1164 security_ops->inet_conn_established(sk, skb);
1165}
1166
2606fd1f
EP
1167int security_secmark_relabel_packet(u32 secid)
1168{
1169 return security_ops->secmark_relabel_packet(secid);
1170}
1171EXPORT_SYMBOL(security_secmark_relabel_packet);
1172
1173void security_secmark_refcount_inc(void)
1174{
1175 security_ops->secmark_refcount_inc();
1176}
1177EXPORT_SYMBOL(security_secmark_refcount_inc);
1178
1179void security_secmark_refcount_dec(void)
1180{
1181 security_ops->secmark_refcount_dec();
1182}
1183EXPORT_SYMBOL(security_secmark_refcount_dec);
1184
2b980dbd
PM
1185int security_tun_dev_create(void)
1186{
1187 return security_ops->tun_dev_create();
1188}
1189EXPORT_SYMBOL(security_tun_dev_create);
1190
1191void security_tun_dev_post_create(struct sock *sk)
1192{
1193 return security_ops->tun_dev_post_create(sk);
1194}
1195EXPORT_SYMBOL(security_tun_dev_post_create);
1196
1197int security_tun_dev_attach(struct sock *sk)
1198{
1199 return security_ops->tun_dev_attach(sk);
1200}
1201EXPORT_SYMBOL(security_tun_dev_attach);
1202
20510f2f
JM
1203#endif /* CONFIG_SECURITY_NETWORK */
1204
1205#ifdef CONFIG_SECURITY_NETWORK_XFRM
1206
03e1ad7b 1207int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1208{
03e1ad7b 1209 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1210}
1211EXPORT_SYMBOL(security_xfrm_policy_alloc);
1212
03e1ad7b
PM
1213int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1214 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1215{
03e1ad7b 1216 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1217}
1218
03e1ad7b 1219void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1220{
03e1ad7b 1221 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1222}
1223EXPORT_SYMBOL(security_xfrm_policy_free);
1224
03e1ad7b 1225int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1226{
03e1ad7b 1227 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1228}
1229
1230int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1231{
1232 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1233}
1234EXPORT_SYMBOL(security_xfrm_state_alloc);
1235
1236int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1237 struct xfrm_sec_ctx *polsec, u32 secid)
1238{
1239 if (!polsec)
1240 return 0;
1241 /*
1242 * We want the context to be taken from secid which is usually
1243 * from the sock.
1244 */
1245 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1246}
1247
1248int security_xfrm_state_delete(struct xfrm_state *x)
1249{
1250 return security_ops->xfrm_state_delete_security(x);
1251}
1252EXPORT_SYMBOL(security_xfrm_state_delete);
1253
1254void security_xfrm_state_free(struct xfrm_state *x)
1255{
1256 security_ops->xfrm_state_free_security(x);
1257}
1258
03e1ad7b 1259int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1260{
03e1ad7b 1261 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1262}
1263
1264int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704
DM
1265 struct xfrm_policy *xp,
1266 const struct flowi *fl)
20510f2f
JM
1267{
1268 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1269}
1270
1271int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1272{
1273 return security_ops->xfrm_decode_session(skb, secid, 1);
1274}
1275
1276void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1277{
1d28f42c 1278 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
20510f2f
JM
1279
1280 BUG_ON(rc);
1281}
1282EXPORT_SYMBOL(security_skb_classify_flow);
1283
1284#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1285
1286#ifdef CONFIG_KEYS
1287
d84f4f99
DH
1288int security_key_alloc(struct key *key, const struct cred *cred,
1289 unsigned long flags)
20510f2f 1290{
d84f4f99 1291 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1292}
1293
1294void security_key_free(struct key *key)
1295{
1296 security_ops->key_free(key);
1297}
1298
1299int security_key_permission(key_ref_t key_ref,
d84f4f99 1300 const struct cred *cred, key_perm_t perm)
20510f2f 1301{
d84f4f99 1302 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1303}
1304
70a5bb72
DH
1305int security_key_getsecurity(struct key *key, char **_buffer)
1306{
1307 return security_ops->key_getsecurity(key, _buffer);
1308}
1309
20510f2f 1310#endif /* CONFIG_KEYS */
03d37d25
AD
1311
1312#ifdef CONFIG_AUDIT
1313
1314int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1315{
1316 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1317}
1318
1319int security_audit_rule_known(struct audit_krule *krule)
1320{
1321 return security_ops->audit_rule_known(krule);
1322}
1323
1324void security_audit_rule_free(void *lsmrule)
1325{
1326 security_ops->audit_rule_free(lsmrule);
1327}
1328
1329int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1330 struct audit_context *actx)
1331{
1332 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1333}
1334
1335#endif /* CONFIG_AUDIT */