LSM: Add security_path_chmod() and security_path_chown().
[linux-2.6-block.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
LT
18#include <linux/security.h>
19
076c54c5
AD
20/* Boot-time LSM user choice */
21static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
1da177e4 22
5915eb53
MS
23/* things that live in capability.c */
24extern struct security_operations default_security_ops;
1da177e4
LT
25extern void security_fixup_ops(struct security_operations *ops);
26
27struct security_operations *security_ops; /* Initialized to NULL */
a5ecbcb8 28
1da177e4
LT
29static inline int verify(struct security_operations *ops)
30{
31 /* verify the security_operations structure exists */
32 if (!ops)
33 return -EINVAL;
34 security_fixup_ops(ops);
35 return 0;
36}
37
38static void __init do_security_initcalls(void)
39{
40 initcall_t *call;
41 call = __security_initcall_start;
42 while (call < __security_initcall_end) {
43 (*call) ();
44 call++;
45 }
46}
47
48/**
49 * security_init - initializes the security framework
50 *
51 * This should be called early in the kernel initialization sequence.
52 */
53int __init security_init(void)
54{
20510f2f 55 printk(KERN_INFO "Security Framework initialized\n");
1da177e4 56
5915eb53
MS
57 security_fixup_ops(&default_security_ops);
58 security_ops = &default_security_ops;
1da177e4
LT
59 do_security_initcalls();
60
61 return 0;
62}
63
076c54c5
AD
64/* Save user chosen LSM */
65static int __init choose_lsm(char *str)
66{
67 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
68 return 1;
69}
70__setup("security=", choose_lsm);
71
72/**
73 * security_module_enable - Load given security module on boot ?
74 * @ops: a pointer to the struct security_operations that is to be checked.
75 *
76 * Each LSM must pass this method before registering its own operations
77 * to avoid security registration races. This method may also be used
7cea51be 78 * to check if your LSM is currently loaded during kernel initialization.
076c54c5
AD
79 *
80 * Return true if:
81 * -The passed LSM is the one chosen by user at boot time,
3f23d815
RD
82 * -or user didn't specify a specific LSM and we're the first to ask
83 * for registration permission,
076c54c5
AD
84 * -or the passed LSM is currently loaded.
85 * Otherwise, return false.
86 */
87int __init security_module_enable(struct security_operations *ops)
88{
89 if (!*chosen_lsm)
90 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
91 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
92 return 0;
93
94 return 1;
95}
96
1da177e4
LT
97/**
98 * register_security - registers a security framework with the kernel
99 * @ops: a pointer to the struct security_options that is to be registered
100 *
3f23d815 101 * This function allows a security module to register itself with the
1da177e4 102 * kernel security subsystem. Some rudimentary checking is done on the @ops
076c54c5
AD
103 * value passed to this function. You'll need to check first if your LSM
104 * is allowed to register its @ops by calling security_module_enable(@ops).
1da177e4
LT
105 *
106 * If there is already a security module registered with the kernel,
3f23d815 107 * an error will be returned. Otherwise %0 is returned on success.
1da177e4
LT
108 */
109int register_security(struct security_operations *ops)
110{
111 if (verify(ops)) {
112 printk(KERN_DEBUG "%s could not verify "
dd6f953a 113 "security_operations structure.\n", __func__);
1da177e4
LT
114 return -EINVAL;
115 }
116
5915eb53 117 if (security_ops != &default_security_ops)
1da177e4
LT
118 return -EAGAIN;
119
120 security_ops = ops;
121
122 return 0;
123}
124
20510f2f
JM
125/* Security operations */
126
9e48858f 127int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
20510f2f 128{
9e48858f 129 return security_ops->ptrace_access_check(child, mode);
5cd9c58f
DH
130}
131
132int security_ptrace_traceme(struct task_struct *parent)
133{
134 return security_ops->ptrace_traceme(parent);
20510f2f
JM
135}
136
137int security_capget(struct task_struct *target,
138 kernel_cap_t *effective,
139 kernel_cap_t *inheritable,
140 kernel_cap_t *permitted)
141{
142 return security_ops->capget(target, effective, inheritable, permitted);
143}
144
d84f4f99
DH
145int security_capset(struct cred *new, const struct cred *old,
146 const kernel_cap_t *effective,
147 const kernel_cap_t *inheritable,
148 const kernel_cap_t *permitted)
20510f2f 149{
d84f4f99
DH
150 return security_ops->capset(new, old,
151 effective, inheritable, permitted);
20510f2f
JM
152}
153
3699c53c 154int security_capable(int cap)
20510f2f 155{
3699c53c
DH
156 return security_ops->capable(current, current_cred(), cap,
157 SECURITY_CAP_AUDIT);
06112163
EP
158}
159
3699c53c 160int security_real_capable(struct task_struct *tsk, int cap)
06112163 161{
3699c53c
DH
162 const struct cred *cred;
163 int ret;
164
165 cred = get_task_cred(tsk);
166 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
167 put_cred(cred);
168 return ret;
169}
170
171int security_real_capable_noaudit(struct task_struct *tsk, int cap)
172{
173 const struct cred *cred;
174 int ret;
175
176 cred = get_task_cred(tsk);
177 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
178 put_cred(cred);
179 return ret;
20510f2f
JM
180}
181
182int security_acct(struct file *file)
183{
184 return security_ops->acct(file);
185}
186
187int security_sysctl(struct ctl_table *table, int op)
188{
189 return security_ops->sysctl(table, op);
190}
191
192int security_quotactl(int cmds, int type, int id, struct super_block *sb)
193{
194 return security_ops->quotactl(cmds, type, id, sb);
195}
196
197int security_quota_on(struct dentry *dentry)
198{
199 return security_ops->quota_on(dentry);
200}
201
202int security_syslog(int type)
203{
204 return security_ops->syslog(type);
205}
206
207int security_settime(struct timespec *ts, struct timezone *tz)
208{
209 return security_ops->settime(ts, tz);
210}
211
212int security_vm_enough_memory(long pages)
213{
731572d3 214 WARN_ON(current->mm == NULL);
20510f2f
JM
215 return security_ops->vm_enough_memory(current->mm, pages);
216}
217
218int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
219{
731572d3 220 WARN_ON(mm == NULL);
20510f2f
JM
221 return security_ops->vm_enough_memory(mm, pages);
222}
223
731572d3
AC
224int security_vm_enough_memory_kern(long pages)
225{
226 /* If current->mm is a kernel thread then we will pass NULL,
227 for this specific case that is fine */
228 return security_ops->vm_enough_memory(current->mm, pages);
229}
230
a6f76f23 231int security_bprm_set_creds(struct linux_binprm *bprm)
20510f2f 232{
a6f76f23 233 return security_ops->bprm_set_creds(bprm);
20510f2f
JM
234}
235
a6f76f23 236int security_bprm_check(struct linux_binprm *bprm)
20510f2f 237{
a6f76f23 238 return security_ops->bprm_check_security(bprm);
20510f2f
JM
239}
240
a6f76f23 241void security_bprm_committing_creds(struct linux_binprm *bprm)
20510f2f 242{
200036ca 243 security_ops->bprm_committing_creds(bprm);
20510f2f
JM
244}
245
a6f76f23 246void security_bprm_committed_creds(struct linux_binprm *bprm)
20510f2f 247{
200036ca 248 security_ops->bprm_committed_creds(bprm);
20510f2f
JM
249}
250
251int security_bprm_secureexec(struct linux_binprm *bprm)
252{
253 return security_ops->bprm_secureexec(bprm);
254}
255
256int security_sb_alloc(struct super_block *sb)
257{
258 return security_ops->sb_alloc_security(sb);
259}
260
261void security_sb_free(struct super_block *sb)
262{
263 security_ops->sb_free_security(sb);
264}
265
e0007529 266int security_sb_copy_data(char *orig, char *copy)
20510f2f 267{
e0007529 268 return security_ops->sb_copy_data(orig, copy);
20510f2f 269}
e0007529 270EXPORT_SYMBOL(security_sb_copy_data);
20510f2f 271
12204e24 272int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
20510f2f 273{
12204e24 274 return security_ops->sb_kern_mount(sb, flags, data);
20510f2f
JM
275}
276
2069f457
EP
277int security_sb_show_options(struct seq_file *m, struct super_block *sb)
278{
279 return security_ops->sb_show_options(m, sb);
280}
281
20510f2f
JM
282int security_sb_statfs(struct dentry *dentry)
283{
284 return security_ops->sb_statfs(dentry);
285}
286
b5266eb4 287int security_sb_mount(char *dev_name, struct path *path,
20510f2f
JM
288 char *type, unsigned long flags, void *data)
289{
b5266eb4 290 return security_ops->sb_mount(dev_name, path, type, flags, data);
20510f2f
JM
291}
292
b5266eb4 293int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
20510f2f 294{
b5266eb4 295 return security_ops->sb_check_sb(mnt, path);
20510f2f
JM
296}
297
298int security_sb_umount(struct vfsmount *mnt, int flags)
299{
300 return security_ops->sb_umount(mnt, flags);
301}
302
303void security_sb_umount_close(struct vfsmount *mnt)
304{
305 security_ops->sb_umount_close(mnt);
306}
307
308void security_sb_umount_busy(struct vfsmount *mnt)
309{
310 security_ops->sb_umount_busy(mnt);
311}
312
313void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
314{
315 security_ops->sb_post_remount(mnt, flags, data);
316}
317
b5266eb4 318void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
20510f2f 319{
b5266eb4 320 security_ops->sb_post_addmount(mnt, mountpoint);
20510f2f
JM
321}
322
b5266eb4 323int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 324{
b5266eb4 325 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
326}
327
b5266eb4 328void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 329{
b5266eb4 330 security_ops->sb_post_pivotroot(old_path, new_path);
20510f2f
JM
331}
332
c9180a57 333int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 334 struct security_mnt_opts *opts)
c9180a57 335{
e0007529 336 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 337}
e0007529 338EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
339
340void security_sb_clone_mnt_opts(const struct super_block *oldsb,
341 struct super_block *newsb)
342{
343 security_ops->sb_clone_mnt_opts(oldsb, newsb);
344}
e0007529
EP
345EXPORT_SYMBOL(security_sb_clone_mnt_opts);
346
347int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
348{
349 return security_ops->sb_parse_opts_str(options, opts);
350}
351EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 352
20510f2f
JM
353int security_inode_alloc(struct inode *inode)
354{
355 inode->i_security = NULL;
356 return security_ops->inode_alloc_security(inode);
357}
358
359void security_inode_free(struct inode *inode)
360{
361 security_ops->inode_free_security(inode);
362}
363
364int security_inode_init_security(struct inode *inode, struct inode *dir,
365 char **name, void **value, size_t *len)
366{
367 if (unlikely(IS_PRIVATE(inode)))
368 return -EOPNOTSUPP;
369 return security_ops->inode_init_security(inode, dir, name, value, len);
370}
371EXPORT_SYMBOL(security_inode_init_security);
372
be6d3e56
KT
373#ifdef CONFIG_SECURITY_PATH
374int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
375 unsigned int dev)
376{
377 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
378 return 0;
379 return security_ops->path_mknod(path, dentry, mode, dev);
380}
381EXPORT_SYMBOL(security_path_mknod);
382
383int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
384{
385 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
386 return 0;
387 return security_ops->path_mkdir(path, dentry, mode);
388}
389
390int security_path_rmdir(struct path *path, struct dentry *dentry)
391{
392 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
393 return 0;
394 return security_ops->path_rmdir(path, dentry);
395}
396
397int security_path_unlink(struct path *path, struct dentry *dentry)
398{
399 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
400 return 0;
401 return security_ops->path_unlink(path, dentry);
402}
403
404int security_path_symlink(struct path *path, struct dentry *dentry,
405 const char *old_name)
406{
407 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
408 return 0;
409 return security_ops->path_symlink(path, dentry, old_name);
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}
429
430int security_path_truncate(struct path *path, loff_t length,
431 unsigned int time_attrs)
432{
433 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
434 return 0;
435 return security_ops->path_truncate(path, length, time_attrs);
436}
89eda068
TH
437
438int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
439 mode_t mode)
440{
441 if (unlikely(IS_PRIVATE(dentry->d_inode)))
442 return 0;
443 return security_ops->path_chmod(dentry, mnt, mode);
444}
445
446int security_path_chown(struct path *path, uid_t uid, gid_t gid)
447{
448 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
449 return 0;
450 return security_ops->path_chown(path, uid, gid);
451}
be6d3e56
KT
452#endif
453
20510f2f
JM
454int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
455{
456 if (unlikely(IS_PRIVATE(dir)))
457 return 0;
458 return security_ops->inode_create(dir, dentry, mode);
459}
800a9647 460EXPORT_SYMBOL_GPL(security_inode_create);
20510f2f
JM
461
462int security_inode_link(struct dentry *old_dentry, struct inode *dir,
463 struct dentry *new_dentry)
464{
465 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
466 return 0;
467 return security_ops->inode_link(old_dentry, dir, new_dentry);
468}
469
470int security_inode_unlink(struct inode *dir, struct dentry *dentry)
471{
472 if (unlikely(IS_PRIVATE(dentry->d_inode)))
473 return 0;
474 return security_ops->inode_unlink(dir, dentry);
475}
476
477int security_inode_symlink(struct inode *dir, struct dentry *dentry,
478 const char *old_name)
479{
480 if (unlikely(IS_PRIVATE(dir)))
481 return 0;
482 return security_ops->inode_symlink(dir, dentry, old_name);
483}
484
485int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
486{
487 if (unlikely(IS_PRIVATE(dir)))
488 return 0;
489 return security_ops->inode_mkdir(dir, dentry, mode);
490}
800a9647 491EXPORT_SYMBOL_GPL(security_inode_mkdir);
20510f2f
JM
492
493int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
494{
495 if (unlikely(IS_PRIVATE(dentry->d_inode)))
496 return 0;
497 return security_ops->inode_rmdir(dir, dentry);
498}
499
500int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
501{
502 if (unlikely(IS_PRIVATE(dir)))
503 return 0;
504 return security_ops->inode_mknod(dir, dentry, mode, dev);
505}
506
507int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
508 struct inode *new_dir, struct dentry *new_dentry)
509{
510 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
511 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
512 return 0;
513 return security_ops->inode_rename(old_dir, old_dentry,
514 new_dir, new_dentry);
515}
516
517int security_inode_readlink(struct dentry *dentry)
518{
519 if (unlikely(IS_PRIVATE(dentry->d_inode)))
520 return 0;
521 return security_ops->inode_readlink(dentry);
522}
523
524int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
525{
526 if (unlikely(IS_PRIVATE(dentry->d_inode)))
527 return 0;
528 return security_ops->inode_follow_link(dentry, nd);
529}
530
b77b0646 531int security_inode_permission(struct inode *inode, int mask)
20510f2f
JM
532{
533 if (unlikely(IS_PRIVATE(inode)))
534 return 0;
b77b0646 535 return security_ops->inode_permission(inode, mask);
20510f2f
JM
536}
537
538int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
539{
540 if (unlikely(IS_PRIVATE(dentry->d_inode)))
541 return 0;
542 return security_ops->inode_setattr(dentry, attr);
543}
b1da47e2 544EXPORT_SYMBOL_GPL(security_inode_setattr);
20510f2f
JM
545
546int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
547{
548 if (unlikely(IS_PRIVATE(dentry->d_inode)))
549 return 0;
550 return security_ops->inode_getattr(mnt, dentry);
551}
552
553void security_inode_delete(struct inode *inode)
554{
555 if (unlikely(IS_PRIVATE(inode)))
556 return;
557 security_ops->inode_delete(inode);
558}
559
8f0cfa52
DH
560int security_inode_setxattr(struct dentry *dentry, const char *name,
561 const void *value, size_t size, int flags)
20510f2f
JM
562{
563 if (unlikely(IS_PRIVATE(dentry->d_inode)))
564 return 0;
565 return security_ops->inode_setxattr(dentry, name, value, size, flags);
566}
567
8f0cfa52
DH
568void security_inode_post_setxattr(struct dentry *dentry, const char *name,
569 const void *value, size_t size, int flags)
20510f2f
JM
570{
571 if (unlikely(IS_PRIVATE(dentry->d_inode)))
572 return;
573 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
574}
575
8f0cfa52 576int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
577{
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
579 return 0;
580 return security_ops->inode_getxattr(dentry, name);
581}
582
583int security_inode_listxattr(struct dentry *dentry)
584{
585 if (unlikely(IS_PRIVATE(dentry->d_inode)))
586 return 0;
587 return security_ops->inode_listxattr(dentry);
588}
589
8f0cfa52 590int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
591{
592 if (unlikely(IS_PRIVATE(dentry->d_inode)))
593 return 0;
594 return security_ops->inode_removexattr(dentry, name);
595}
596
b5376771
SH
597int security_inode_need_killpriv(struct dentry *dentry)
598{
599 return security_ops->inode_need_killpriv(dentry);
600}
601
602int security_inode_killpriv(struct dentry *dentry)
603{
604 return security_ops->inode_killpriv(dentry);
605}
606
42492594 607int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
608{
609 if (unlikely(IS_PRIVATE(inode)))
610 return 0;
42492594 611 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
612}
613
614int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
615{
616 if (unlikely(IS_PRIVATE(inode)))
617 return 0;
618 return security_ops->inode_setsecurity(inode, name, value, size, flags);
619}
620
621int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
622{
623 if (unlikely(IS_PRIVATE(inode)))
624 return 0;
625 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
626}
627
8a076191
AD
628void security_inode_getsecid(const struct inode *inode, u32 *secid)
629{
630 security_ops->inode_getsecid(inode, secid);
631}
632
20510f2f
JM
633int security_file_permission(struct file *file, int mask)
634{
635 return security_ops->file_permission(file, mask);
636}
637
638int security_file_alloc(struct file *file)
639{
640 return security_ops->file_alloc_security(file);
641}
642
643void security_file_free(struct file *file)
644{
645 security_ops->file_free_security(file);
646}
647
648int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
649{
650 return security_ops->file_ioctl(file, cmd, arg);
651}
652
653int security_file_mmap(struct file *file, unsigned long reqprot,
654 unsigned long prot, unsigned long flags,
655 unsigned long addr, unsigned long addr_only)
656{
657 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
658}
659
660int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
661 unsigned long prot)
662{
663 return security_ops->file_mprotect(vma, reqprot, prot);
664}
665
666int security_file_lock(struct file *file, unsigned int cmd)
667{
668 return security_ops->file_lock(file, cmd);
669}
670
671int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
672{
673 return security_ops->file_fcntl(file, cmd, arg);
674}
675
676int security_file_set_fowner(struct file *file)
677{
678 return security_ops->file_set_fowner(file);
679}
680
681int security_file_send_sigiotask(struct task_struct *tsk,
682 struct fown_struct *fown, int sig)
683{
684 return security_ops->file_send_sigiotask(tsk, fown, sig);
685}
686
687int security_file_receive(struct file *file)
688{
689 return security_ops->file_receive(file);
690}
691
745ca247 692int security_dentry_open(struct file *file, const struct cred *cred)
20510f2f 693{
745ca247 694 return security_ops->dentry_open(file, cred);
20510f2f
JM
695}
696
697int security_task_create(unsigned long clone_flags)
698{
699 return security_ops->task_create(clone_flags);
700}
701
ee18d64c
DH
702int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
703{
704 return security_ops->cred_alloc_blank(cred, gfp);
705}
706
d84f4f99 707void security_cred_free(struct cred *cred)
20510f2f 708{
d84f4f99 709 security_ops->cred_free(cred);
20510f2f
JM
710}
711
d84f4f99 712int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
20510f2f 713{
d84f4f99
DH
714 return security_ops->cred_prepare(new, old, gfp);
715}
716
717void security_commit_creds(struct cred *new, const struct cred *old)
718{
200036ca 719 security_ops->cred_commit(new, old);
20510f2f
JM
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
9188499c
EP
737int security_kernel_module_request(void)
738{
739 return security_ops->kernel_module_request();
740}
741
20510f2f
JM
742int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
743{
744 return security_ops->task_setuid(id0, id1, id2, flags);
745}
746
d84f4f99
DH
747int security_task_fix_setuid(struct cred *new, const struct cred *old,
748 int flags)
20510f2f 749{
d84f4f99 750 return security_ops->task_fix_setuid(new, old, flags);
20510f2f
JM
751}
752
753int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
754{
755 return security_ops->task_setgid(id0, id1, id2, flags);
756}
757
758int security_task_setpgid(struct task_struct *p, pid_t pgid)
759{
760 return security_ops->task_setpgid(p, pgid);
761}
762
763int security_task_getpgid(struct task_struct *p)
764{
765 return security_ops->task_getpgid(p);
766}
767
768int security_task_getsid(struct task_struct *p)
769{
770 return security_ops->task_getsid(p);
771}
772
773void security_task_getsecid(struct task_struct *p, u32 *secid)
774{
775 security_ops->task_getsecid(p, secid);
776}
777EXPORT_SYMBOL(security_task_getsecid);
778
779int security_task_setgroups(struct group_info *group_info)
780{
781 return security_ops->task_setgroups(group_info);
782}
783
784int security_task_setnice(struct task_struct *p, int nice)
785{
786 return security_ops->task_setnice(p, nice);
787}
788
789int security_task_setioprio(struct task_struct *p, int ioprio)
790{
791 return security_ops->task_setioprio(p, ioprio);
792}
793
794int security_task_getioprio(struct task_struct *p)
795{
796 return security_ops->task_getioprio(p);
797}
798
799int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
800{
801 return security_ops->task_setrlimit(resource, new_rlim);
802}
803
804int security_task_setscheduler(struct task_struct *p,
805 int policy, struct sched_param *lp)
806{
807 return security_ops->task_setscheduler(p, policy, lp);
808}
809
810int security_task_getscheduler(struct task_struct *p)
811{
812 return security_ops->task_getscheduler(p);
813}
814
815int security_task_movememory(struct task_struct *p)
816{
817 return security_ops->task_movememory(p);
818}
819
820int security_task_kill(struct task_struct *p, struct siginfo *info,
821 int sig, u32 secid)
822{
823 return security_ops->task_kill(p, info, sig, secid);
824}
825
826int security_task_wait(struct task_struct *p)
827{
828 return security_ops->task_wait(p);
829}
830
831int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
d84f4f99 832 unsigned long arg4, unsigned long arg5)
20510f2f 833{
d84f4f99 834 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
20510f2f
JM
835}
836
837void security_task_to_inode(struct task_struct *p, struct inode *inode)
838{
839 security_ops->task_to_inode(p, inode);
840}
841
842int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
843{
844 return security_ops->ipc_permission(ipcp, flag);
845}
846
8a076191
AD
847void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
848{
849 security_ops->ipc_getsecid(ipcp, secid);
850}
851
20510f2f
JM
852int security_msg_msg_alloc(struct msg_msg *msg)
853{
854 return security_ops->msg_msg_alloc_security(msg);
855}
856
857void security_msg_msg_free(struct msg_msg *msg)
858{
859 security_ops->msg_msg_free_security(msg);
860}
861
862int security_msg_queue_alloc(struct msg_queue *msq)
863{
864 return security_ops->msg_queue_alloc_security(msq);
865}
866
867void security_msg_queue_free(struct msg_queue *msq)
868{
869 security_ops->msg_queue_free_security(msq);
870}
871
872int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
873{
874 return security_ops->msg_queue_associate(msq, msqflg);
875}
876
877int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
878{
879 return security_ops->msg_queue_msgctl(msq, cmd);
880}
881
882int security_msg_queue_msgsnd(struct msg_queue *msq,
883 struct msg_msg *msg, int msqflg)
884{
885 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
886}
887
888int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
889 struct task_struct *target, long type, int mode)
890{
891 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
892}
893
894int security_shm_alloc(struct shmid_kernel *shp)
895{
896 return security_ops->shm_alloc_security(shp);
897}
898
899void security_shm_free(struct shmid_kernel *shp)
900{
901 security_ops->shm_free_security(shp);
902}
903
904int security_shm_associate(struct shmid_kernel *shp, int shmflg)
905{
906 return security_ops->shm_associate(shp, shmflg);
907}
908
909int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
910{
911 return security_ops->shm_shmctl(shp, cmd);
912}
913
914int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
915{
916 return security_ops->shm_shmat(shp, shmaddr, shmflg);
917}
918
919int security_sem_alloc(struct sem_array *sma)
920{
921 return security_ops->sem_alloc_security(sma);
922}
923
924void security_sem_free(struct sem_array *sma)
925{
926 security_ops->sem_free_security(sma);
927}
928
929int security_sem_associate(struct sem_array *sma, int semflg)
930{
931 return security_ops->sem_associate(sma, semflg);
932}
933
934int security_sem_semctl(struct sem_array *sma, int cmd)
935{
936 return security_ops->sem_semctl(sma, cmd);
937}
938
939int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
940 unsigned nsops, int alter)
941{
942 return security_ops->sem_semop(sma, sops, nsops, alter);
943}
944
945void security_d_instantiate(struct dentry *dentry, struct inode *inode)
946{
947 if (unlikely(inode && IS_PRIVATE(inode)))
948 return;
949 security_ops->d_instantiate(dentry, inode);
950}
951EXPORT_SYMBOL(security_d_instantiate);
952
953int security_getprocattr(struct task_struct *p, char *name, char **value)
954{
955 return security_ops->getprocattr(p, name, value);
956}
957
958int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
959{
960 return security_ops->setprocattr(p, name, value, size);
961}
962
963int security_netlink_send(struct sock *sk, struct sk_buff *skb)
964{
965 return security_ops->netlink_send(sk, skb);
966}
20510f2f
JM
967
968int security_netlink_recv(struct sk_buff *skb, int cap)
969{
970 return security_ops->netlink_recv(skb, cap);
971}
972EXPORT_SYMBOL(security_netlink_recv);
973
974int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
975{
976 return security_ops->secid_to_secctx(secid, secdata, seclen);
977}
978EXPORT_SYMBOL(security_secid_to_secctx);
979
7bf570dc 980int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
981{
982 return security_ops->secctx_to_secid(secdata, seclen, secid);
983}
984EXPORT_SYMBOL(security_secctx_to_secid);
985
20510f2f
JM
986void security_release_secctx(char *secdata, u32 seclen)
987{
65fc7668 988 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
989}
990EXPORT_SYMBOL(security_release_secctx);
991
1ee65e37
DQ
992int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
993{
994 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
995}
996EXPORT_SYMBOL(security_inode_notifysecctx);
997
998int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
999{
1000 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1001}
1002EXPORT_SYMBOL(security_inode_setsecctx);
1003
1004int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1005{
1006 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1007}
1008EXPORT_SYMBOL(security_inode_getsecctx);
1009
20510f2f
JM
1010#ifdef CONFIG_SECURITY_NETWORK
1011
1012int security_unix_stream_connect(struct socket *sock, struct socket *other,
1013 struct sock *newsk)
1014{
1015 return security_ops->unix_stream_connect(sock, other, newsk);
1016}
1017EXPORT_SYMBOL(security_unix_stream_connect);
1018
1019int security_unix_may_send(struct socket *sock, struct socket *other)
1020{
1021 return security_ops->unix_may_send(sock, other);
1022}
1023EXPORT_SYMBOL(security_unix_may_send);
1024
1025int security_socket_create(int family, int type, int protocol, int kern)
1026{
1027 return security_ops->socket_create(family, type, protocol, kern);
1028}
1029
1030int security_socket_post_create(struct socket *sock, int family,
1031 int type, int protocol, int kern)
1032{
1033 return security_ops->socket_post_create(sock, family, type,
1034 protocol, kern);
1035}
1036
1037int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1038{
1039 return security_ops->socket_bind(sock, address, addrlen);
1040}
1041
1042int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1043{
1044 return security_ops->socket_connect(sock, address, addrlen);
1045}
1046
1047int security_socket_listen(struct socket *sock, int backlog)
1048{
1049 return security_ops->socket_listen(sock, backlog);
1050}
1051
1052int security_socket_accept(struct socket *sock, struct socket *newsock)
1053{
1054 return security_ops->socket_accept(sock, newsock);
1055}
1056
20510f2f
JM
1057int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1058{
1059 return security_ops->socket_sendmsg(sock, msg, size);
1060}
1061
1062int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1063 int size, int flags)
1064{
1065 return security_ops->socket_recvmsg(sock, msg, size, flags);
1066}
1067
1068int security_socket_getsockname(struct socket *sock)
1069{
1070 return security_ops->socket_getsockname(sock);
1071}
1072
1073int security_socket_getpeername(struct socket *sock)
1074{
1075 return security_ops->socket_getpeername(sock);
1076}
1077
1078int security_socket_getsockopt(struct socket *sock, int level, int optname)
1079{
1080 return security_ops->socket_getsockopt(sock, level, optname);
1081}
1082
1083int security_socket_setsockopt(struct socket *sock, int level, int optname)
1084{
1085 return security_ops->socket_setsockopt(sock, level, optname);
1086}
1087
1088int security_socket_shutdown(struct socket *sock, int how)
1089{
1090 return security_ops->socket_shutdown(sock, how);
1091}
1092
1093int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1094{
1095 return security_ops->socket_sock_rcv_skb(sk, skb);
1096}
1097EXPORT_SYMBOL(security_sock_rcv_skb);
1098
1099int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1100 int __user *optlen, unsigned len)
1101{
1102 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1103}
1104
1105int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1106{
1107 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1108}
1109EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1110
1111int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1112{
1113 return security_ops->sk_alloc_security(sk, family, priority);
1114}
1115
1116void security_sk_free(struct sock *sk)
1117{
65fc7668 1118 security_ops->sk_free_security(sk);
20510f2f
JM
1119}
1120
1121void security_sk_clone(const struct sock *sk, struct sock *newsk)
1122{
65fc7668 1123 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1124}
1125
1126void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1127{
1128 security_ops->sk_getsecid(sk, &fl->secid);
1129}
1130EXPORT_SYMBOL(security_sk_classify_flow);
1131
1132void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1133{
1134 security_ops->req_classify_flow(req, fl);
1135}
1136EXPORT_SYMBOL(security_req_classify_flow);
1137
1138void security_sock_graft(struct sock *sk, struct socket *parent)
1139{
1140 security_ops->sock_graft(sk, parent);
1141}
1142EXPORT_SYMBOL(security_sock_graft);
1143
1144int security_inet_conn_request(struct sock *sk,
1145 struct sk_buff *skb, struct request_sock *req)
1146{
1147 return security_ops->inet_conn_request(sk, skb, req);
1148}
1149EXPORT_SYMBOL(security_inet_conn_request);
1150
1151void security_inet_csk_clone(struct sock *newsk,
1152 const struct request_sock *req)
1153{
1154 security_ops->inet_csk_clone(newsk, req);
1155}
1156
1157void security_inet_conn_established(struct sock *sk,
1158 struct sk_buff *skb)
1159{
1160 security_ops->inet_conn_established(sk, skb);
1161}
1162
2b980dbd
PM
1163int security_tun_dev_create(void)
1164{
1165 return security_ops->tun_dev_create();
1166}
1167EXPORT_SYMBOL(security_tun_dev_create);
1168
1169void security_tun_dev_post_create(struct sock *sk)
1170{
1171 return security_ops->tun_dev_post_create(sk);
1172}
1173EXPORT_SYMBOL(security_tun_dev_post_create);
1174
1175int security_tun_dev_attach(struct sock *sk)
1176{
1177 return security_ops->tun_dev_attach(sk);
1178}
1179EXPORT_SYMBOL(security_tun_dev_attach);
1180
20510f2f
JM
1181#endif /* CONFIG_SECURITY_NETWORK */
1182
1183#ifdef CONFIG_SECURITY_NETWORK_XFRM
1184
03e1ad7b 1185int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1186{
03e1ad7b 1187 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1188}
1189EXPORT_SYMBOL(security_xfrm_policy_alloc);
1190
03e1ad7b
PM
1191int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1192 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1193{
03e1ad7b 1194 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1195}
1196
03e1ad7b 1197void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1198{
03e1ad7b 1199 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1200}
1201EXPORT_SYMBOL(security_xfrm_policy_free);
1202
03e1ad7b 1203int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1204{
03e1ad7b 1205 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1206}
1207
1208int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1209{
1210 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1211}
1212EXPORT_SYMBOL(security_xfrm_state_alloc);
1213
1214int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1215 struct xfrm_sec_ctx *polsec, u32 secid)
1216{
1217 if (!polsec)
1218 return 0;
1219 /*
1220 * We want the context to be taken from secid which is usually
1221 * from the sock.
1222 */
1223 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1224}
1225
1226int security_xfrm_state_delete(struct xfrm_state *x)
1227{
1228 return security_ops->xfrm_state_delete_security(x);
1229}
1230EXPORT_SYMBOL(security_xfrm_state_delete);
1231
1232void security_xfrm_state_free(struct xfrm_state *x)
1233{
1234 security_ops->xfrm_state_free_security(x);
1235}
1236
03e1ad7b 1237int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1238{
03e1ad7b 1239 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1240}
1241
1242int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1243 struct xfrm_policy *xp, struct flowi *fl)
1244{
1245 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1246}
1247
1248int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1249{
1250 return security_ops->xfrm_decode_session(skb, secid, 1);
1251}
1252
1253void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1254{
1255 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1256
1257 BUG_ON(rc);
1258}
1259EXPORT_SYMBOL(security_skb_classify_flow);
1260
1261#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1262
1263#ifdef CONFIG_KEYS
1264
d84f4f99
DH
1265int security_key_alloc(struct key *key, const struct cred *cred,
1266 unsigned long flags)
20510f2f 1267{
d84f4f99 1268 return security_ops->key_alloc(key, cred, flags);
20510f2f
JM
1269}
1270
1271void security_key_free(struct key *key)
1272{
1273 security_ops->key_free(key);
1274}
1275
1276int security_key_permission(key_ref_t key_ref,
d84f4f99 1277 const struct cred *cred, key_perm_t perm)
20510f2f 1278{
d84f4f99 1279 return security_ops->key_permission(key_ref, cred, perm);
20510f2f
JM
1280}
1281
70a5bb72
DH
1282int security_key_getsecurity(struct key *key, char **_buffer)
1283{
1284 return security_ops->key_getsecurity(key, _buffer);
1285}
1286
ee18d64c
DH
1287int security_key_session_to_parent(const struct cred *cred,
1288 const struct cred *parent_cred,
1289 struct key *key)
1290{
1291 return security_ops->key_session_to_parent(cred, parent_cred, key);
1292}
1293
20510f2f 1294#endif /* CONFIG_KEYS */
03d37d25
AD
1295
1296#ifdef CONFIG_AUDIT
1297
1298int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1299{
1300 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1301}
1302
1303int security_audit_rule_known(struct audit_krule *krule)
1304{
1305 return security_ops->audit_rule_known(krule);
1306}
1307
1308void security_audit_rule_free(void *lsmrule)
1309{
1310 security_ops->audit_rule_free(lsmrule);
1311}
1312
1313int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1314 struct audit_context *actx)
1315{
1316 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1317}
1318
1319#endif /* CONFIG_AUDIT */