integrity: move ima inode integrity data management
[deliverable/linux.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>
1da177e4 21
9d8f13ba
MZ
22#define MAX_LSM_XATTR 1
23
076c54c5 24/* Boot-time LSM user choice */
6e65f92f
JJ
25static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
26 CONFIG_DEFAULT_SECURITY;
1da177e4 27
5915eb53 28/* things that live in capability.c */
c80901f2 29extern void __init security_fixup_ops(struct security_operations *ops);
1da177e4 30
189b3b1c 31static struct security_operations *security_ops;
32static struct security_operations default_security_ops = {
33 .name = "default",
34};
a5ecbcb8 35
c80901f2 36static inline int __init verify(struct security_operations *ops)
1da177e4
LT
37{
38 /* verify the security_operations structure exists */
39 if (!ops)
40 return -EINVAL;
41 security_fixup_ops(ops);
42 return 0;
43}
44
45static void __init do_security_initcalls(void)
46{
47 initcall_t *call;
48 call = __security_initcall_start;
49 while (call < __security_initcall_end) {
50 (*call) ();
51 call++;
52 }
53}
54
55/**
56 * security_init - initializes the security framework
57 *
58 * This should be called early in the kernel initialization sequence.
59 */
60int __init security_init(void)
61{
20510f2f 62 printk(KERN_INFO "Security Framework initialized\n");
1da177e4 63
5915eb53
MS
64 security_fixup_ops(&default_security_ops);
65 security_ops = &default_security_ops;
1da177e4
LT
66 do_security_initcalls();
67
68 return 0;
69}
70
189b3b1c 71void reset_security_ops(void)
72{
73 security_ops = &default_security_ops;
74}
75
076c54c5
AD
76/* Save user chosen LSM */
77static int __init choose_lsm(char *str)
78{
79 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
80 return 1;
81}
82__setup("security=", choose_lsm);
83
84/**
85 * security_module_enable - Load given security module on boot ?
86 * @ops: a pointer to the struct security_operations that is to be checked.
87 *
88 * Each LSM must pass this method before registering its own operations
89 * to avoid security registration races. This method may also be used
7cea51be 90 * to check if your LSM is currently loaded during kernel initialization.
076c54c5
AD
91 *
92 * Return true if:
93 * -The passed LSM is the one chosen by user at boot time,
6e65f92f 94 * -or the passed LSM is configured as the default and the user did not
065d78a0 95 * choose an alternate LSM at boot time.
076c54c5
AD
96 * Otherwise, return false.
97 */
98int __init security_module_enable(struct security_operations *ops)
99{
065d78a0 100 return !strcmp(ops->name, chosen_lsm);
076c54c5
AD
101}
102
1da177e4
LT
103/**
104 * register_security - registers a security framework with the kernel
105 * @ops: a pointer to the struct security_options that is to be registered
106 *
3f23d815 107 * This function allows a security module to register itself with the
1da177e4 108 * kernel security subsystem. Some rudimentary checking is done on the @ops
076c54c5
AD
109 * value passed to this function. You'll need to check first if your LSM
110 * is allowed to register its @ops by calling security_module_enable(@ops).
1da177e4
LT
111 *
112 * If there is already a security module registered with the kernel,
3f23d815 113 * an error will be returned. Otherwise %0 is returned on success.
1da177e4 114 */
c1e992b9 115int __init register_security(struct security_operations *ops)
1da177e4
LT
116{
117 if (verify(ops)) {
118 printk(KERN_DEBUG "%s could not verify "
dd6f953a 119 "security_operations structure.\n", __func__);
1da177e4
LT
120 return -EINVAL;
121 }
122
5915eb53 123 if (security_ops != &default_security_ops)
1da177e4
LT
124 return -EAGAIN;
125
126 security_ops = ops;
127
128 return 0;
129}
130
20510f2f
JM
131/* Security operations */
132
9e48858f 133int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
20510f2f 134{
9e48858f 135 return security_ops->ptrace_access_check(child, mode);
5cd9c58f
DH
136}
137
138int security_ptrace_traceme(struct task_struct *parent)
139{
140 return security_ops->ptrace_traceme(parent);
20510f2f
JM
141}
142
143int security_capget(struct task_struct *target,
144 kernel_cap_t *effective,
145 kernel_cap_t *inheritable,
146 kernel_cap_t *permitted)
147{
148 return security_ops->capget(target, effective, inheritable, permitted);
149}
150
d84f4f99
DH
151int security_capset(struct cred *new, const struct cred *old,
152 const kernel_cap_t *effective,
153 const kernel_cap_t *inheritable,
154 const kernel_cap_t *permitted)
20510f2f 155{
d84f4f99
DH
156 return security_ops->capset(new, old,
157 effective, inheritable, permitted);
20510f2f
JM
158}
159
3486740a
SH
160int security_capable(struct user_namespace *ns, const struct cred *cred,
161 int cap)
20510f2f 162{
3486740a
SH
163 return security_ops->capable(current, cred, ns, cap,
164 SECURITY_CAP_AUDIT);
06112163
EP
165}
166
3486740a
SH
167int security_real_capable(struct task_struct *tsk, struct user_namespace *ns,
168 int cap)
06112163 169{
3699c53c
DH
170 const struct cred *cred;
171 int ret;
172
173 cred = get_task_cred(tsk);
3486740a 174 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_AUDIT);
3699c53c
DH
175 put_cred(cred);
176 return ret;
177}
178
3486740a
SH
179int security_real_capable_noaudit(struct task_struct *tsk,
180 struct user_namespace *ns, int cap)
3699c53c
DH
181{
182 const struct cred *cred;
183 int ret;
184
185 cred = get_task_cred(tsk);
3486740a 186 ret = security_ops->capable(tsk, cred, ns, cap, SECURITY_CAP_NOAUDIT);
3699c53c
DH
187 put_cred(cred);
188 return ret;
20510f2f
JM
189}
190
20510f2f
JM
191int security_quotactl(int cmds, int type, int id, struct super_block *sb)
192{
193 return security_ops->quotactl(cmds, type, id, sb);
194}
195
196int security_quota_on(struct dentry *dentry)
197{
198 return security_ops->quota_on(dentry);
199}
200
12b3052c 201int security_syslog(int type)
20510f2f 202{
12b3052c 203 return security_ops->syslog(type);
20510f2f
JM
204}
205
1e6d7679 206int security_settime(const struct timespec *ts, const struct timezone *tz)
20510f2f
JM
207{
208 return security_ops->settime(ts, tz);
209}
210
211int security_vm_enough_memory(long pages)
212{
731572d3 213 WARN_ON(current->mm == NULL);
20510f2f
JM
214 return security_ops->vm_enough_memory(current->mm, pages);
215}
216
217int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
218{
731572d3 219 WARN_ON(mm == NULL);
20510f2f
JM
220 return security_ops->vm_enough_memory(mm, pages);
221}
222
731572d3
AC
223int security_vm_enough_memory_kern(long pages)
224{
225 /* If current->mm is a kernel thread then we will pass NULL,
226 for this specific case that is fine */
227 return security_ops->vm_enough_memory(current->mm, pages);
228}
229
a6f76f23 230int security_bprm_set_creds(struct linux_binprm *bprm)
20510f2f 231{
a6f76f23 232 return security_ops->bprm_set_creds(bprm);
20510f2f
JM
233}
234
a6f76f23 235int security_bprm_check(struct linux_binprm *bprm)
20510f2f 236{
6c21a7fb
MZ
237 int ret;
238
239 ret = security_ops->bprm_check_security(bprm);
240 if (ret)
241 return ret;
242 return ima_bprm_check(bprm);
20510f2f
JM
243}
244
a6f76f23 245void security_bprm_committing_creds(struct linux_binprm *bprm)
20510f2f 246{
200036ca 247 security_ops->bprm_committing_creds(bprm);
20510f2f
JM
248}
249
a6f76f23 250void security_bprm_committed_creds(struct linux_binprm *bprm)
20510f2f 251{
200036ca 252 security_ops->bprm_committed_creds(bprm);
20510f2f
JM
253}
254
255int security_bprm_secureexec(struct linux_binprm *bprm)
256{
257 return security_ops->bprm_secureexec(bprm);
258}
259
260int security_sb_alloc(struct super_block *sb)
261{
262 return security_ops->sb_alloc_security(sb);
263}
264
265void security_sb_free(struct super_block *sb)
266{
267 security_ops->sb_free_security(sb);
268}
269
e0007529 270int security_sb_copy_data(char *orig, char *copy)
20510f2f 271{
e0007529 272 return security_ops->sb_copy_data(orig, copy);
20510f2f 273}
e0007529 274EXPORT_SYMBOL(security_sb_copy_data);
20510f2f 275
ff36fe2c
EP
276int security_sb_remount(struct super_block *sb, void *data)
277{
278 return security_ops->sb_remount(sb, data);
279}
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
20510f2f
JM
302int security_sb_umount(struct vfsmount *mnt, int flags)
303{
304 return security_ops->sb_umount(mnt, flags);
305}
306
b5266eb4 307int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 308{
b5266eb4 309 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
310}
311
c9180a57 312int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 313 struct security_mnt_opts *opts)
c9180a57 314{
e0007529 315 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 316}
e0007529 317EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
318
319void security_sb_clone_mnt_opts(const struct super_block *oldsb,
320 struct super_block *newsb)
321{
322 security_ops->sb_clone_mnt_opts(oldsb, newsb);
323}
e0007529
EP
324EXPORT_SYMBOL(security_sb_clone_mnt_opts);
325
326int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
327{
328 return security_ops->sb_parse_opts_str(options, opts);
329}
330EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 331
20510f2f
JM
332int security_inode_alloc(struct inode *inode)
333{
334 inode->i_security = NULL;
bc7d2a3e 335 return security_ops->inode_alloc_security(inode);
20510f2f
JM
336}
337
338void security_inode_free(struct inode *inode)
339{
f381c272 340 integrity_inode_free(inode);
20510f2f
JM
341 security_ops->inode_free_security(inode);
342}
343
344int security_inode_init_security(struct inode *inode, struct inode *dir,
9d8f13ba
MZ
345 const struct qstr *qstr,
346 const initxattrs initxattrs, void *fs_data)
347{
348 struct xattr new_xattrs[MAX_LSM_XATTR + 1];
349 struct xattr *lsm_xattr;
350 int ret;
351
352 if (unlikely(IS_PRIVATE(inode)))
353 return -EOPNOTSUPP;
354
355 memset(new_xattrs, 0, sizeof new_xattrs);
356 if (!initxattrs)
357 return security_ops->inode_init_security(inode, dir, qstr,
358 NULL, NULL, NULL);
359 lsm_xattr = new_xattrs;
360 ret = security_ops->inode_init_security(inode, dir, qstr,
361 &lsm_xattr->name,
362 &lsm_xattr->value,
363 &lsm_xattr->value_len);
364 if (ret)
365 goto out;
366 ret = initxattrs(inode, new_xattrs, fs_data);
367out:
368 kfree(lsm_xattr->name);
369 kfree(lsm_xattr->value);
370
371 return (ret == -EOPNOTSUPP) ? 0 : ret;
372}
373EXPORT_SYMBOL(security_inode_init_security);
374
375int security_old_inode_init_security(struct inode *inode, struct inode *dir,
376 const struct qstr *qstr, char **name,
377 void **value, size_t *len)
20510f2f
JM
378{
379 if (unlikely(IS_PRIVATE(inode)))
380 return -EOPNOTSUPP;
2a7dba39
EP
381 return security_ops->inode_init_security(inode, dir, qstr, name, value,
382 len);
20510f2f 383}
9d8f13ba 384EXPORT_SYMBOL(security_old_inode_init_security);
20510f2f 385
be6d3e56 386#ifdef CONFIG_SECURITY_PATH
5d0901a3 387int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
be6d3e56
KT
388 unsigned int dev)
389{
5d0901a3 390 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 391 return 0;
5d0901a3 392 return security_ops->path_mknod(dir, dentry, mode, dev);
be6d3e56
KT
393}
394EXPORT_SYMBOL(security_path_mknod);
395
5d0901a3 396int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
be6d3e56 397{
5d0901a3 398 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 399 return 0;
5d0901a3 400 return security_ops->path_mkdir(dir, dentry, mode);
be6d3e56 401}
82140443 402EXPORT_SYMBOL(security_path_mkdir);
be6d3e56 403
5d0901a3 404int security_path_rmdir(struct path *dir, struct dentry *dentry)
be6d3e56 405{
5d0901a3 406 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 407 return 0;
5d0901a3 408 return security_ops->path_rmdir(dir, dentry);
be6d3e56
KT
409}
410
5d0901a3 411int security_path_unlink(struct path *dir, struct dentry *dentry)
be6d3e56 412{
5d0901a3 413 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 414 return 0;
5d0901a3 415 return security_ops->path_unlink(dir, dentry);
be6d3e56 416}
82140443 417EXPORT_SYMBOL(security_path_unlink);
be6d3e56 418
5d0901a3 419int security_path_symlink(struct path *dir, struct dentry *dentry,
be6d3e56
KT
420 const char *old_name)
421{
5d0901a3 422 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
be6d3e56 423 return 0;
5d0901a3 424 return security_ops->path_symlink(dir, dentry, old_name);
be6d3e56
KT
425}
426
427int security_path_link(struct dentry *old_dentry, struct path *new_dir,
428 struct dentry *new_dentry)
429{
430 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
431 return 0;
432 return security_ops->path_link(old_dentry, new_dir, new_dentry);
433}
434
435int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
436 struct path *new_dir, struct dentry *new_dentry)
437{
438 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
439 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
440 return 0;
441 return security_ops->path_rename(old_dir, old_dentry, new_dir,
442 new_dentry);
443}
82140443 444EXPORT_SYMBOL(security_path_rename);
be6d3e56 445
ea0d3ab2 446int security_path_truncate(struct path *path)
be6d3e56
KT
447{
448 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
449 return 0;
ea0d3ab2 450 return security_ops->path_truncate(path);
be6d3e56 451}
89eda068
TH
452
453int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
454 mode_t mode)
455{
456 if (unlikely(IS_PRIVATE(dentry->d_inode)))
457 return 0;
458 return security_ops->path_chmod(dentry, mnt, mode);
459}
460
461int security_path_chown(struct path *path, uid_t uid, gid_t gid)
462{
463 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
464 return 0;
465 return security_ops->path_chown(path, uid, gid);
466}
8b8efb44
TH
467
468int security_path_chroot(struct path *path)
469{
470 return security_ops->path_chroot(path);
471}
be6d3e56
KT
472#endif
473
20510f2f
JM
474int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
475{
476 if (unlikely(IS_PRIVATE(dir)))
477 return 0;
478 return security_ops->inode_create(dir, dentry, mode);
479}
800a9647 480EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
481
482int security_inode_link(struct dentry *old_dentry, struct inode *dir,
483 struct dentry *new_dentry)
484{
485 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
486 return 0;
487 return security_ops->inode_link(old_dentry, dir, new_dentry);
488}
489
490int security_inode_unlink(struct inode *dir, struct dentry *dentry)
491{
492 if (unlikely(IS_PRIVATE(dentry->d_inode)))
493 return 0;
494 return security_ops->inode_unlink(dir, dentry);
495}
496
497int security_inode_symlink(struct inode *dir, struct dentry *dentry,
498 const char *old_name)
499{
500 if (unlikely(IS_PRIVATE(dir)))
501 return 0;
502 return security_ops->inode_symlink(dir, dentry, old_name);
503}
504
505int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
506{
507 if (unlikely(IS_PRIVATE(dir)))
508 return 0;
509 return security_ops->inode_mkdir(dir, dentry, mode);
510}
800a9647 511EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
512
513int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
514{
515 if (unlikely(IS_PRIVATE(dentry->d_inode)))
516 return 0;
517 return security_ops->inode_rmdir(dir, dentry);
518}
519
520int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
521{
522 if (unlikely(IS_PRIVATE(dir)))
523 return 0;
524 return security_ops->inode_mknod(dir, dentry, mode, dev);
525}
526
527int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
528 struct inode *new_dir, struct dentry *new_dentry)
529{
530 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
531 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
532 return 0;
533 return security_ops->inode_rename(old_dir, old_dentry,
534 new_dir, new_dentry);
535}
536
537int security_inode_readlink(struct dentry *dentry)
538{
539 if (unlikely(IS_PRIVATE(dentry->d_inode)))
540 return 0;
541 return security_ops->inode_readlink(dentry);
542}
543
544int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
545{
546 if (unlikely(IS_PRIVATE(dentry->d_inode)))
547 return 0;
548 return security_ops->inode_follow_link(dentry, nd);
549}
550
b77b0646 551int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
552{
553 if (unlikely(IS_PRIVATE(inode)))
554 return 0;
8c9e80ed 555 return security_ops->inode_permission(inode, mask, 0);
20510f2f
JM
556}
557
31e6b01f
NP
558int security_inode_exec_permission(struct inode *inode, unsigned int flags)
559{
560 if (unlikely(IS_PRIVATE(inode)))
561 return 0;
8c9e80ed 562 return security_ops->inode_permission(inode, MAY_EXEC, flags);
31e6b01f
NP
563}
564
20510f2f
JM
565int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
566{
567 if (unlikely(IS_PRIVATE(dentry->d_inode)))
568 return 0;
569 return security_ops->inode_setattr(dentry, attr);
570}
b1da47e2 571EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
572
573int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
574{
575 if (unlikely(IS_PRIVATE(dentry->d_inode)))
576 return 0;
577 return security_ops->inode_getattr(mnt, dentry);
578}
579
8f0cfa52
DH
580int security_inode_setxattr(struct dentry *dentry, const char *name,
581 const void *value, size_t size, int flags)
20510f2f
JM
582{
583 if (unlikely(IS_PRIVATE(dentry->d_inode)))
584 return 0;
585 return security_ops->inode_setxattr(dentry, name, value, size, flags);
586}
587
8f0cfa52
DH
588void security_inode_post_setxattr(struct dentry *dentry, const char *name,
589 const void *value, size_t size, int flags)
20510f2f
JM
590{
591 if (unlikely(IS_PRIVATE(dentry->d_inode)))
592 return;
593 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
594}
595
8f0cfa52 596int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
597{
598 if (unlikely(IS_PRIVATE(dentry->d_inode)))
599 return 0;
600 return security_ops->inode_getxattr(dentry, name);
601}
602
603int security_inode_listxattr(struct dentry *dentry)
604{
605 if (unlikely(IS_PRIVATE(dentry->d_inode)))
606 return 0;
607 return security_ops->inode_listxattr(dentry);
608}
609
8f0cfa52 610int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
611{
612 if (unlikely(IS_PRIVATE(dentry->d_inode)))
613 return 0;
614 return security_ops->inode_removexattr(dentry, name);
615}
616
b5376771
SH
617int security_inode_need_killpriv(struct dentry *dentry)
618{
619 return security_ops->inode_need_killpriv(dentry);
620}
621
622int security_inode_killpriv(struct dentry *dentry)
623{
624 return security_ops->inode_killpriv(dentry);
625}
626
42492594 627int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
628{
629 if (unlikely(IS_PRIVATE(inode)))
8d952504 630 return -EOPNOTSUPP;
42492594 631 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
632}
633
634int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
635{
636 if (unlikely(IS_PRIVATE(inode)))
8d952504 637 return -EOPNOTSUPP;
20510f2f
JM
638 return security_ops->inode_setsecurity(inode, name, value, size, flags);
639}
640
641int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
642{
643 if (unlikely(IS_PRIVATE(inode)))
644 return 0;
645 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
646}
647
8a076191
AD
648void security_inode_getsecid(const struct inode *inode, u32 *secid)
649{
650 security_ops->inode_getsecid(inode, secid);
651}
652
20510f2f
JM
653int security_file_permission(struct file *file, int mask)
654{
c4ec54b4
EP
655 int ret;
656
657 ret = security_ops->file_permission(file, mask);
658 if (ret)
659 return ret;
660
661 return fsnotify_perm(file, mask);
20510f2f
JM
662}
663
664int security_file_alloc(struct file *file)
665{
666 return security_ops->file_alloc_security(file);
667}
668
669void security_file_free(struct file *file)
670{
671 security_ops->file_free_security(file);
672}
673
674int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
675{
676 return security_ops->file_ioctl(file, cmd, arg);
677}
678
679int security_file_mmap(struct file *file, unsigned long reqprot,
680 unsigned long prot, unsigned long flags,
681 unsigned long addr, unsigned long addr_only)
682{
6c21a7fb
MZ
683 int ret;
684
685 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
686 if (ret)
687 return ret;
688 return ima_file_mmap(file, prot);
20510f2f
JM
689}
690
691int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
692 unsigned long prot)
693{
694 return security_ops->file_mprotect(vma, reqprot, prot);
695}
696
697int security_file_lock(struct file *file, unsigned int cmd)
698{
699 return security_ops->file_lock(file, cmd);
700}
701
702int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
703{
704 return security_ops->file_fcntl(file, cmd, arg);
705}
706
707int security_file_set_fowner(struct file *file)
708{
709 return security_ops->file_set_fowner(file);
710}
711
712int security_file_send_sigiotask(struct task_struct *tsk,
713 struct fown_struct *fown, int sig)
714{
715 return security_ops->file_send_sigiotask(tsk, fown, sig);
716}
717
718int security_file_receive(struct file *file)
719{
720 return security_ops->file_receive(file);
721}
722
745ca247 723int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 724{
c4ec54b4
EP
725 int ret;
726
727 ret = security_ops->dentry_open(file, cred);
728 if (ret)
729 return ret;
730
731 return fsnotify_perm(file, MAY_OPEN);
20510f2f
JM
732}
733
734int security_task_create(unsigned long clone_flags)
735{
736 return security_ops->task_create(clone_flags);
737}
738
ee18d64c
DH
739int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
740{
741 return security_ops->cred_alloc_blank(cred, gfp);
742}
743
d84f4f99 744void security_cred_free(struct cred *cred)
20510f2f 745{
d84f4f99 746 security_ops->cred_free(cred);
20510f2f
JM
747}
748
d84f4f99 749int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 750{
d84f4f99
DH
751 return security_ops->cred_prepare(new, old, gfp);
752}
753
ee18d64c
DH
754void security_transfer_creds(struct cred *new, const struct cred *old)
755{
756 security_ops->cred_transfer(new, old);
757}
758
3a3b7ce9
DH
759int security_kernel_act_as(struct cred *new, u32 secid)
760{
761 return security_ops->kernel_act_as(new, secid);
762}
763
764int security_kernel_create_files_as(struct cred *new, struct inode *inode)
765{
766 return security_ops->kernel_create_files_as(new, inode);
767}
768
dd8dbf2e 769int security_kernel_module_request(char *kmod_name)
9188499c 770{
dd8dbf2e 771 return security_ops->kernel_module_request(kmod_name);
9188499c
EP
772}
773
d84f4f99
DH
774int security_task_fix_setuid(struct cred *new, const struct cred *old,
775 int flags)
20510f2f 776{
d84f4f99 777 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
778}
779
20510f2f
JM
780int security_task_setpgid(struct task_struct *p, pid_t pgid)
781{
782 return security_ops->task_setpgid(p, pgid);
783}
784
785int security_task_getpgid(struct task_struct *p)
786{
787 return security_ops->task_getpgid(p);
788}
789
790int security_task_getsid(struct task_struct *p)
791{
792 return security_ops->task_getsid(p);
793}
794
795void security_task_getsecid(struct task_struct *p, u32 *secid)
796{
797 security_ops->task_getsecid(p, secid);
798}
799EXPORT_SYMBOL(security_task_getsecid);
800
20510f2f
JM
801int security_task_setnice(struct task_struct *p, int nice)
802{
803 return security_ops->task_setnice(p, nice);
804}
805
806int security_task_setioprio(struct task_struct *p, int ioprio)
807{
808 return security_ops->task_setioprio(p, ioprio);
809}
810
811int security_task_getioprio(struct task_struct *p)
812{
813 return security_ops->task_getioprio(p);
814}
815
8fd00b4d
JS
816int security_task_setrlimit(struct task_struct *p, unsigned int resource,
817 struct rlimit *new_rlim)
20510f2f 818{
8fd00b4d 819 return security_ops->task_setrlimit(p, resource, new_rlim);
20510f2f
JM
820}
821
b0ae1981 822int security_task_setscheduler(struct task_struct *p)
20510f2f 823{
b0ae1981 824 return security_ops->task_setscheduler(p);
20510f2f
JM
825}
826
827int security_task_getscheduler(struct task_struct *p)
828{
829 return security_ops->task_getscheduler(p);
830}
831
832int security_task_movememory(struct task_struct *p)
833{
834 return security_ops->task_movememory(p);
835}
836
837int security_task_kill(struct task_struct *p, struct siginfo *info,
838 int sig, u32 secid)
839{
840 return security_ops->task_kill(p, info, sig, secid);
841}
842
843int security_task_wait(struct task_struct *p)
844{
845 return security_ops->task_wait(p);
846}
847
848int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 849 unsigned long arg4, unsigned long arg5)
20510f2f 850{
d84f4f99 851 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
852}
853
854void security_task_to_inode(struct task_struct *p, struct inode *inode)
855{
856 security_ops->task_to_inode(p, inode);
857}
858
859int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
860{
861 return security_ops->ipc_permission(ipcp, flag);
862}
863
8a076191
AD
864void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
865{
866 security_ops->ipc_getsecid(ipcp, secid);
867}
868
20510f2f
JM
869int security_msg_msg_alloc(struct msg_msg *msg)
870{
871 return security_ops->msg_msg_alloc_security(msg);
872}
873
874void security_msg_msg_free(struct msg_msg *msg)
875{
876 security_ops->msg_msg_free_security(msg);
877}
878
879int security_msg_queue_alloc(struct msg_queue *msq)
880{
881 return security_ops->msg_queue_alloc_security(msq);
882}
883
884void security_msg_queue_free(struct msg_queue *msq)
885{
886 security_ops->msg_queue_free_security(msq);
887}
888
889int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
890{
891 return security_ops->msg_queue_associate(msq, msqflg);
892}
893
894int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
895{
896 return security_ops->msg_queue_msgctl(msq, cmd);
897}
898
899int security_msg_queue_msgsnd(struct msg_queue *msq,
900 struct msg_msg *msg, int msqflg)
901{
902 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
903}
904
905int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
906 struct task_struct *target, long type, int mode)
907{
908 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
909}
910
911int security_shm_alloc(struct shmid_kernel *shp)
912{
913 return security_ops->shm_alloc_security(shp);
914}
915
916void security_shm_free(struct shmid_kernel *shp)
917{
918 security_ops->shm_free_security(shp);
919}
920
921int security_shm_associate(struct shmid_kernel *shp, int shmflg)
922{
923 return security_ops->shm_associate(shp, shmflg);
924}
925
926int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
927{
928 return security_ops->shm_shmctl(shp, cmd);
929}
930
931int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
932{
933 return security_ops->shm_shmat(shp, shmaddr, shmflg);
934}
935
936int security_sem_alloc(struct sem_array *sma)
937{
938 return security_ops->sem_alloc_security(sma);
939}
940
941void security_sem_free(struct sem_array *sma)
942{
943 security_ops->sem_free_security(sma);
944}
945
946int security_sem_associate(struct sem_array *sma, int semflg)
947{
948 return security_ops->sem_associate(sma, semflg);
949}
950
951int security_sem_semctl(struct sem_array *sma, int cmd)
952{
953 return security_ops->sem_semctl(sma, cmd);
954}
955
956int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
957 unsigned nsops, int alter)
958{
959 return security_ops->sem_semop(sma, sops, nsops, alter);
960}
961
962void security_d_instantiate(struct dentry *dentry, struct inode *inode)
963{
964 if (unlikely(inode && IS_PRIVATE(inode)))
965 return;
966 security_ops->d_instantiate(dentry, inode);
967}
968EXPORT_SYMBOL(security_d_instantiate);
969
970int security_getprocattr(struct task_struct *p, char *name, char **value)
971{
972 return security_ops->getprocattr(p, name, value);
973}
974
975int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
976{
977 return security_ops->setprocattr(p, name, value, size);
978}
979
980int security_netlink_send(struct sock *sk, struct sk_buff *skb)
981{
982 return security_ops->netlink_send(sk, skb);
983}
20510f2f
JM
984
985int security_netlink_recv(struct sk_buff *skb, int cap)
986{
987 return security_ops->netlink_recv(skb, cap);
988}
989EXPORT_SYMBOL(security_netlink_recv);
990
991int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
992{
993 return security_ops->secid_to_secctx(secid, secdata, seclen);
994}
995EXPORT_SYMBOL(security_secid_to_secctx);
996
7bf570dc 997int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
998{
999 return security_ops->secctx_to_secid(secdata, seclen, secid);
1000}
1001EXPORT_SYMBOL(security_secctx_to_secid);
1002
20510f2f
JM
1003void security_release_secctx(char *secdata, u32 seclen)
1004{
65fc7668 1005 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
1006}
1007EXPORT_SYMBOL(security_release_secctx);
1008
1ee65e37
DQ
1009int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1010{
1011 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1012}
1013EXPORT_SYMBOL(security_inode_notifysecctx);
1014
1015int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1016{
1017 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1018}
1019EXPORT_SYMBOL(security_inode_setsecctx);
1020
1021int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1022{
1023 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1024}
1025EXPORT_SYMBOL(security_inode_getsecctx);
1026
20510f2f
JM
1027#ifdef CONFIG_SECURITY_NETWORK
1028
3610cda5 1029int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
20510f2f
JM
1030{
1031 return security_ops->unix_stream_connect(sock, other, newsk);
1032}
1033EXPORT_SYMBOL(security_unix_stream_connect);
1034
1035int security_unix_may_send(struct socket *sock, struct socket *other)
1036{
1037 return security_ops->unix_may_send(sock, other);
1038}
1039EXPORT_SYMBOL(security_unix_may_send);
1040
1041int security_socket_create(int family, int type, int protocol, int kern)
1042{
1043 return security_ops->socket_create(family, type, protocol, kern);
1044}
1045
1046int security_socket_post_create(struct socket *sock, int family,
1047 int type, int protocol, int kern)
1048{
1049 return security_ops->socket_post_create(sock, family, type,
1050 protocol, kern);
1051}
1052
1053int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1054{
1055 return security_ops->socket_bind(sock, address, addrlen);
1056}
1057
1058int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1059{
1060 return security_ops->socket_connect(sock, address, addrlen);
1061}
1062
1063int security_socket_listen(struct socket *sock, int backlog)
1064{
1065 return security_ops->socket_listen(sock, backlog);
1066}
1067
1068int security_socket_accept(struct socket *sock, struct socket *newsock)
1069{
1070 return security_ops->socket_accept(sock, newsock);
1071}
1072
20510f2f
JM
1073int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1074{
1075 return security_ops->socket_sendmsg(sock, msg, size);
1076}
1077
1078int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1079 int size, int flags)
1080{
1081 return security_ops->socket_recvmsg(sock, msg, size, flags);
1082}
1083
1084int security_socket_getsockname(struct socket *sock)
1085{
1086 return security_ops->socket_getsockname(sock);
1087}
1088
1089int security_socket_getpeername(struct socket *sock)
1090{
1091 return security_ops->socket_getpeername(sock);
1092}
1093
1094int security_socket_getsockopt(struct socket *sock, int level, int optname)
1095{
1096 return security_ops->socket_getsockopt(sock, level, optname);
1097}
1098
1099int security_socket_setsockopt(struct socket *sock, int level, int optname)
1100{
1101 return security_ops->socket_setsockopt(sock, level, optname);
1102}
1103
1104int security_socket_shutdown(struct socket *sock, int how)
1105{
1106 return security_ops->socket_shutdown(sock, how);
1107}
1108
1109int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1110{
1111 return security_ops->socket_sock_rcv_skb(sk, skb);
1112}
1113EXPORT_SYMBOL(security_sock_rcv_skb);
1114
1115int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1116 int __user *optlen, unsigned len)
1117{
1118 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1119}
1120
1121int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1122{
1123 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1124}
1125EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1126
1127int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1128{
1129 return security_ops->sk_alloc_security(sk, family, priority);
1130}
1131
1132void security_sk_free(struct sock *sk)
1133{
65fc7668 1134 security_ops->sk_free_security(sk);
20510f2f
JM
1135}
1136
1137void security_sk_clone(const struct sock *sk, struct sock *newsk)
1138{
65fc7668 1139 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1140}
1141
1142void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1143{
1d28f42c 1144 security_ops->sk_getsecid(sk, &fl->flowi_secid);
20510f2f
JM
1145}
1146EXPORT_SYMBOL(security_sk_classify_flow);
1147
1148void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1149{
1150 security_ops->req_classify_flow(req, fl);
1151}
1152EXPORT_SYMBOL(security_req_classify_flow);
1153
1154void security_sock_graft(struct sock *sk, struct socket *parent)
1155{
1156 security_ops->sock_graft(sk, parent);
1157}
1158EXPORT_SYMBOL(security_sock_graft);
1159
1160int security_inet_conn_request(struct sock *sk,
1161 struct sk_buff *skb, struct request_sock *req)
1162{
1163 return security_ops->inet_conn_request(sk, skb, req);
1164}
1165EXPORT_SYMBOL(security_inet_conn_request);
1166
1167void security_inet_csk_clone(struct sock *newsk,
1168 const struct request_sock *req)
1169{
1170 security_ops->inet_csk_clone(newsk, req);
1171}
1172
1173void security_inet_conn_established(struct sock *sk,
1174 struct sk_buff *skb)
1175{
1176 security_ops->inet_conn_established(sk, skb);
1177}
1178
2606fd1f
EP
1179int security_secmark_relabel_packet(u32 secid)
1180{
1181 return security_ops->secmark_relabel_packet(secid);
1182}
1183EXPORT_SYMBOL(security_secmark_relabel_packet);
1184
1185void security_secmark_refcount_inc(void)
1186{
1187 security_ops->secmark_refcount_inc();
1188}
1189EXPORT_SYMBOL(security_secmark_refcount_inc);
1190
1191void security_secmark_refcount_dec(void)
1192{
1193 security_ops->secmark_refcount_dec();
1194}
1195EXPORT_SYMBOL(security_secmark_refcount_dec);
1196
2b980dbd
PM
1197int security_tun_dev_create(void)
1198{
1199 return security_ops->tun_dev_create();
1200}
1201EXPORT_SYMBOL(security_tun_dev_create);
1202
1203void security_tun_dev_post_create(struct sock *sk)
1204{
1205 return security_ops->tun_dev_post_create(sk);
1206}
1207EXPORT_SYMBOL(security_tun_dev_post_create);
1208
1209int security_tun_dev_attach(struct sock *sk)
1210{
1211 return security_ops->tun_dev_attach(sk);
1212}
1213EXPORT_SYMBOL(security_tun_dev_attach);
1214
20510f2f
JM
1215#endif /* CONFIG_SECURITY_NETWORK */
1216
1217#ifdef CONFIG_SECURITY_NETWORK_XFRM
1218
03e1ad7b 1219int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1220{
03e1ad7b 1221 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1222}
1223EXPORT_SYMBOL(security_xfrm_policy_alloc);
1224
03e1ad7b
PM
1225int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1226 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1227{
03e1ad7b 1228 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1229}
1230
03e1ad7b 1231void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1232{
03e1ad7b 1233 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1234}
1235EXPORT_SYMBOL(security_xfrm_policy_free);
1236
03e1ad7b 1237int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1238{
03e1ad7b 1239 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1240}
1241
1242int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1243{
1244 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1245}
1246EXPORT_SYMBOL(security_xfrm_state_alloc);
1247
1248int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1249 struct xfrm_sec_ctx *polsec, u32 secid)
1250{
1251 if (!polsec)
1252 return 0;
1253 /*
1254 * We want the context to be taken from secid which is usually
1255 * from the sock.
1256 */
1257 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1258}
1259
1260int security_xfrm_state_delete(struct xfrm_state *x)
1261{
1262 return security_ops->xfrm_state_delete_security(x);
1263}
1264EXPORT_SYMBOL(security_xfrm_state_delete);
1265
1266void security_xfrm_state_free(struct xfrm_state *x)
1267{
1268 security_ops->xfrm_state_free_security(x);
1269}
1270
03e1ad7b 1271int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1272{
03e1ad7b 1273 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1274}
1275
1276int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
e33f7704
DM
1277 struct xfrm_policy *xp,
1278 const struct flowi *fl)
20510f2f
JM
1279{
1280 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1281}
1282
1283int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1284{
1285 return security_ops->xfrm_decode_session(skb, secid, 1);
1286}
1287
1288void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1289{
1d28f42c 1290 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
20510f2f
JM
1291
1292 BUG_ON(rc);
1293}
1294EXPORT_SYMBOL(security_skb_classify_flow);
1295
1296#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1297
1298#ifdef CONFIG_KEYS
1299
d84f4f99
DH
1300int security_key_alloc(struct key *key, const struct cred *cred,
1301 unsigned long flags)
20510f2f 1302{
d84f4f99 1303 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1304}
1305
1306void security_key_free(struct key *key)
1307{
1308 security_ops->key_free(key);
1309}
1310
1311int security_key_permission(key_ref_t key_ref,
d84f4f99 1312 const struct cred *cred, key_perm_t perm)
20510f2f 1313{
d84f4f99 1314 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1315}
1316
70a5bb72
DH
1317int security_key_getsecurity(struct key *key, char **_buffer)
1318{
1319 return security_ops->key_getsecurity(key, _buffer);
1320}
1321
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 */
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