blob: d15e56cbaadeea25c550cfc985de2dbbfbf410fa [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Randy.Dunlapc59ede72006-01-11 12:17:46 -080014#include <linux/capability.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <linux/security.h>
19
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
21/* things that live in dummy.c */
22extern struct security_operations dummy_security_ops;
23extern void security_fixup_ops(struct security_operations *ops);
24
25struct security_operations *security_ops; /* Initialized to NULL */
Eric Parisa5ecbcb2008-01-31 15:11:22 -050026
27/* amount of vm to protect from userspace access */
28unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30static inline int verify(struct security_operations *ops)
31{
32 /* verify the security_operations structure exists */
33 if (!ops)
34 return -EINVAL;
35 security_fixup_ops(ops);
36 return 0;
37}
38
39static void __init do_security_initcalls(void)
40{
41 initcall_t *call;
42 call = __security_initcall_start;
43 while (call < __security_initcall_end) {
44 (*call) ();
45 call++;
46 }
47}
48
49/**
50 * security_init - initializes the security framework
51 *
52 * This should be called early in the kernel initialization sequence.
53 */
54int __init security_init(void)
55{
James Morris20510f22007-10-16 23:31:32 -070056 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
58 if (verify(&dummy_security_ops)) {
59 printk(KERN_ERR "%s could not verify "
60 "dummy_security_ops structure.\n", __FUNCTION__);
61 return -EIO;
62 }
63
64 security_ops = &dummy_security_ops;
65 do_security_initcalls();
66
67 return 0;
68}
69
70/**
71 * register_security - registers a security framework with the kernel
72 * @ops: a pointer to the struct security_options that is to be registered
73 *
74 * This function is to allow a security module to register itself with the
75 * kernel security subsystem. Some rudimentary checking is done on the @ops
Adrian Bunkcbfee342007-10-16 23:31:38 -070076 * value passed to this function.
Linus Torvalds1da177e2005-04-16 15:20:36 -070077 *
78 * If there is already a security module registered with the kernel,
79 * an error will be returned. Otherwise 0 is returned on success.
80 */
81int register_security(struct security_operations *ops)
82{
83 if (verify(ops)) {
84 printk(KERN_DEBUG "%s could not verify "
85 "security_operations structure.\n", __FUNCTION__);
86 return -EINVAL;
87 }
88
89 if (security_ops != &dummy_security_ops)
90 return -EAGAIN;
91
92 security_ops = ops;
93
94 return 0;
95}
96
97/**
Linus Torvalds1da177e2005-04-16 15:20:36 -070098 * mod_reg_security - allows security modules to be "stacked"
99 * @name: a pointer to a string with the name of the security_options to be registered
100 * @ops: a pointer to the struct security_options that is to be registered
101 *
102 * This function allows security modules to be stacked if the currently loaded
103 * security module allows this to happen. It passes the @name and @ops to the
104 * register_security function of the currently loaded security module.
105 *
106 * The return value depends on the currently loaded security module, with 0 as
107 * success.
108 */
109int mod_reg_security(const char *name, struct security_operations *ops)
110{
111 if (verify(ops)) {
112 printk(KERN_INFO "%s could not verify "
113 "security operations.\n", __FUNCTION__);
114 return -EINVAL;
115 }
116
117 if (ops == security_ops) {
118 printk(KERN_INFO "%s security operations "
119 "already registered.\n", __FUNCTION__);
120 return -EINVAL;
121 }
122
123 return security_ops->register_security(name, ops);
124}
125
James Morris20510f22007-10-16 23:31:32 -0700126/* Security operations */
127
128int security_ptrace(struct task_struct *parent, struct task_struct *child)
129{
130 return security_ops->ptrace(parent, child);
131}
132
133int security_capget(struct task_struct *target,
134 kernel_cap_t *effective,
135 kernel_cap_t *inheritable,
136 kernel_cap_t *permitted)
137{
138 return security_ops->capget(target, effective, inheritable, permitted);
139}
140
141int security_capset_check(struct task_struct *target,
142 kernel_cap_t *effective,
143 kernel_cap_t *inheritable,
144 kernel_cap_t *permitted)
145{
146 return security_ops->capset_check(target, effective, inheritable, permitted);
147}
148
149void security_capset_set(struct task_struct *target,
150 kernel_cap_t *effective,
151 kernel_cap_t *inheritable,
152 kernel_cap_t *permitted)
153{
154 security_ops->capset_set(target, effective, inheritable, permitted);
155}
156
157int security_capable(struct task_struct *tsk, int cap)
158{
159 return security_ops->capable(tsk, cap);
160}
161
162int security_acct(struct file *file)
163{
164 return security_ops->acct(file);
165}
166
167int security_sysctl(struct ctl_table *table, int op)
168{
169 return security_ops->sysctl(table, op);
170}
171
172int security_quotactl(int cmds, int type, int id, struct super_block *sb)
173{
174 return security_ops->quotactl(cmds, type, id, sb);
175}
176
177int security_quota_on(struct dentry *dentry)
178{
179 return security_ops->quota_on(dentry);
180}
181
182int security_syslog(int type)
183{
184 return security_ops->syslog(type);
185}
186
187int security_settime(struct timespec *ts, struct timezone *tz)
188{
189 return security_ops->settime(ts, tz);
190}
191
192int security_vm_enough_memory(long pages)
193{
194 return security_ops->vm_enough_memory(current->mm, pages);
195}
196
197int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
198{
199 return security_ops->vm_enough_memory(mm, pages);
200}
201
202int security_bprm_alloc(struct linux_binprm *bprm)
203{
204 return security_ops->bprm_alloc_security(bprm);
205}
206
207void security_bprm_free(struct linux_binprm *bprm)
208{
209 security_ops->bprm_free_security(bprm);
210}
211
212void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
213{
214 security_ops->bprm_apply_creds(bprm, unsafe);
215}
216
217void security_bprm_post_apply_creds(struct linux_binprm *bprm)
218{
219 security_ops->bprm_post_apply_creds(bprm);
220}
221
222int security_bprm_set(struct linux_binprm *bprm)
223{
224 return security_ops->bprm_set_security(bprm);
225}
226
227int security_bprm_check(struct linux_binprm *bprm)
228{
229 return security_ops->bprm_check_security(bprm);
230}
231
232int security_bprm_secureexec(struct linux_binprm *bprm)
233{
234 return security_ops->bprm_secureexec(bprm);
235}
236
237int security_sb_alloc(struct super_block *sb)
238{
239 return security_ops->sb_alloc_security(sb);
240}
241
242void security_sb_free(struct super_block *sb)
243{
244 security_ops->sb_free_security(sb);
245}
246
247int security_sb_copy_data(struct file_system_type *type, void *orig, void *copy)
248{
249 return security_ops->sb_copy_data(type, orig, copy);
250}
251
252int security_sb_kern_mount(struct super_block *sb, void *data)
253{
254 return security_ops->sb_kern_mount(sb, data);
255}
256
257int security_sb_statfs(struct dentry *dentry)
258{
259 return security_ops->sb_statfs(dentry);
260}
261
262int security_sb_mount(char *dev_name, struct nameidata *nd,
263 char *type, unsigned long flags, void *data)
264{
265 return security_ops->sb_mount(dev_name, nd, type, flags, data);
266}
267
268int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
269{
270 return security_ops->sb_check_sb(mnt, nd);
271}
272
273int security_sb_umount(struct vfsmount *mnt, int flags)
274{
275 return security_ops->sb_umount(mnt, flags);
276}
277
278void security_sb_umount_close(struct vfsmount *mnt)
279{
280 security_ops->sb_umount_close(mnt);
281}
282
283void security_sb_umount_busy(struct vfsmount *mnt)
284{
285 security_ops->sb_umount_busy(mnt);
286}
287
288void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
289{
290 security_ops->sb_post_remount(mnt, flags, data);
291}
292
James Morris20510f22007-10-16 23:31:32 -0700293void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
294{
295 security_ops->sb_post_addmount(mnt, mountpoint_nd);
296}
297
298int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
299{
300 return security_ops->sb_pivotroot(old_nd, new_nd);
301}
302
303void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
304{
305 security_ops->sb_post_pivotroot(old_nd, new_nd);
306}
307
Eric Parisc9180a52007-11-30 13:00:35 -0500308int security_sb_get_mnt_opts(const struct super_block *sb,
309 char ***mount_options,
310 int **flags, int *num_opts)
311{
312 return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts);
313}
314
315int security_sb_set_mnt_opts(struct super_block *sb,
316 char **mount_options,
317 int *flags, int num_opts)
318{
319 return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts);
320}
321
322void security_sb_clone_mnt_opts(const struct super_block *oldsb,
323 struct super_block *newsb)
324{
325 security_ops->sb_clone_mnt_opts(oldsb, newsb);
326}
327
James Morris20510f22007-10-16 23:31:32 -0700328int security_inode_alloc(struct inode *inode)
329{
330 inode->i_security = NULL;
331 return security_ops->inode_alloc_security(inode);
332}
333
334void security_inode_free(struct inode *inode)
335{
336 security_ops->inode_free_security(inode);
337}
338
339int security_inode_init_security(struct inode *inode, struct inode *dir,
340 char **name, void **value, size_t *len)
341{
342 if (unlikely(IS_PRIVATE(inode)))
343 return -EOPNOTSUPP;
344 return security_ops->inode_init_security(inode, dir, name, value, len);
345}
346EXPORT_SYMBOL(security_inode_init_security);
347
348int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
349{
350 if (unlikely(IS_PRIVATE(dir)))
351 return 0;
352 return security_ops->inode_create(dir, dentry, mode);
353}
354
355int security_inode_link(struct dentry *old_dentry, struct inode *dir,
356 struct dentry *new_dentry)
357{
358 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
359 return 0;
360 return security_ops->inode_link(old_dentry, dir, new_dentry);
361}
362
363int security_inode_unlink(struct inode *dir, struct dentry *dentry)
364{
365 if (unlikely(IS_PRIVATE(dentry->d_inode)))
366 return 0;
367 return security_ops->inode_unlink(dir, dentry);
368}
369
370int security_inode_symlink(struct inode *dir, struct dentry *dentry,
371 const char *old_name)
372{
373 if (unlikely(IS_PRIVATE(dir)))
374 return 0;
375 return security_ops->inode_symlink(dir, dentry, old_name);
376}
377
378int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
379{
380 if (unlikely(IS_PRIVATE(dir)))
381 return 0;
382 return security_ops->inode_mkdir(dir, dentry, mode);
383}
384
385int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
386{
387 if (unlikely(IS_PRIVATE(dentry->d_inode)))
388 return 0;
389 return security_ops->inode_rmdir(dir, dentry);
390}
391
392int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
393{
394 if (unlikely(IS_PRIVATE(dir)))
395 return 0;
396 return security_ops->inode_mknod(dir, dentry, mode, dev);
397}
398
399int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
400 struct inode *new_dir, struct dentry *new_dentry)
401{
402 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
403 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
404 return 0;
405 return security_ops->inode_rename(old_dir, old_dentry,
406 new_dir, new_dentry);
407}
408
409int security_inode_readlink(struct dentry *dentry)
410{
411 if (unlikely(IS_PRIVATE(dentry->d_inode)))
412 return 0;
413 return security_ops->inode_readlink(dentry);
414}
415
416int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
417{
418 if (unlikely(IS_PRIVATE(dentry->d_inode)))
419 return 0;
420 return security_ops->inode_follow_link(dentry, nd);
421}
422
423int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
424{
425 if (unlikely(IS_PRIVATE(inode)))
426 return 0;
427 return security_ops->inode_permission(inode, mask, nd);
428}
429
430int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
431{
432 if (unlikely(IS_PRIVATE(dentry->d_inode)))
433 return 0;
434 return security_ops->inode_setattr(dentry, attr);
435}
436
437int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
438{
439 if (unlikely(IS_PRIVATE(dentry->d_inode)))
440 return 0;
441 return security_ops->inode_getattr(mnt, dentry);
442}
443
444void security_inode_delete(struct inode *inode)
445{
446 if (unlikely(IS_PRIVATE(inode)))
447 return;
448 security_ops->inode_delete(inode);
449}
450
451int security_inode_setxattr(struct dentry *dentry, char *name,
452 void *value, size_t size, int flags)
453{
454 if (unlikely(IS_PRIVATE(dentry->d_inode)))
455 return 0;
456 return security_ops->inode_setxattr(dentry, name, value, size, flags);
457}
458
459void security_inode_post_setxattr(struct dentry *dentry, char *name,
460 void *value, size_t size, int flags)
461{
462 if (unlikely(IS_PRIVATE(dentry->d_inode)))
463 return;
464 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
465}
466
467int security_inode_getxattr(struct dentry *dentry, char *name)
468{
469 if (unlikely(IS_PRIVATE(dentry->d_inode)))
470 return 0;
471 return security_ops->inode_getxattr(dentry, name);
472}
473
474int security_inode_listxattr(struct dentry *dentry)
475{
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_listxattr(dentry);
479}
480
481int security_inode_removexattr(struct dentry *dentry, char *name)
482{
483 if (unlikely(IS_PRIVATE(dentry->d_inode)))
484 return 0;
485 return security_ops->inode_removexattr(dentry, name);
486}
487
Serge E. Hallynb5376772007-10-16 23:31:36 -0700488int security_inode_need_killpriv(struct dentry *dentry)
489{
490 return security_ops->inode_need_killpriv(dentry);
491}
492
493int security_inode_killpriv(struct dentry *dentry)
494{
495 return security_ops->inode_killpriv(dentry);
496}
497
David P. Quigley42492592008-02-04 22:29:39 -0800498int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700499{
500 if (unlikely(IS_PRIVATE(inode)))
501 return 0;
David P. Quigley42492592008-02-04 22:29:39 -0800502 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700503}
504
505int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
506{
507 if (unlikely(IS_PRIVATE(inode)))
508 return 0;
509 return security_ops->inode_setsecurity(inode, name, value, size, flags);
510}
511
512int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
513{
514 if (unlikely(IS_PRIVATE(inode)))
515 return 0;
516 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
517}
518
519int security_file_permission(struct file *file, int mask)
520{
521 return security_ops->file_permission(file, mask);
522}
523
524int security_file_alloc(struct file *file)
525{
526 return security_ops->file_alloc_security(file);
527}
528
529void security_file_free(struct file *file)
530{
531 security_ops->file_free_security(file);
532}
533
534int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
535{
536 return security_ops->file_ioctl(file, cmd, arg);
537}
538
539int security_file_mmap(struct file *file, unsigned long reqprot,
540 unsigned long prot, unsigned long flags,
541 unsigned long addr, unsigned long addr_only)
542{
543 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
544}
545
546int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
547 unsigned long prot)
548{
549 return security_ops->file_mprotect(vma, reqprot, prot);
550}
551
552int security_file_lock(struct file *file, unsigned int cmd)
553{
554 return security_ops->file_lock(file, cmd);
555}
556
557int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
558{
559 return security_ops->file_fcntl(file, cmd, arg);
560}
561
562int security_file_set_fowner(struct file *file)
563{
564 return security_ops->file_set_fowner(file);
565}
566
567int security_file_send_sigiotask(struct task_struct *tsk,
568 struct fown_struct *fown, int sig)
569{
570 return security_ops->file_send_sigiotask(tsk, fown, sig);
571}
572
573int security_file_receive(struct file *file)
574{
575 return security_ops->file_receive(file);
576}
577
578int security_dentry_open(struct file *file)
579{
580 return security_ops->dentry_open(file);
581}
582
583int security_task_create(unsigned long clone_flags)
584{
585 return security_ops->task_create(clone_flags);
586}
587
588int security_task_alloc(struct task_struct *p)
589{
590 return security_ops->task_alloc_security(p);
591}
592
593void security_task_free(struct task_struct *p)
594{
595 security_ops->task_free_security(p);
596}
597
598int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
599{
600 return security_ops->task_setuid(id0, id1, id2, flags);
601}
602
603int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
604 uid_t old_suid, int flags)
605{
606 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
607}
608
609int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
610{
611 return security_ops->task_setgid(id0, id1, id2, flags);
612}
613
614int security_task_setpgid(struct task_struct *p, pid_t pgid)
615{
616 return security_ops->task_setpgid(p, pgid);
617}
618
619int security_task_getpgid(struct task_struct *p)
620{
621 return security_ops->task_getpgid(p);
622}
623
624int security_task_getsid(struct task_struct *p)
625{
626 return security_ops->task_getsid(p);
627}
628
629void security_task_getsecid(struct task_struct *p, u32 *secid)
630{
631 security_ops->task_getsecid(p, secid);
632}
633EXPORT_SYMBOL(security_task_getsecid);
634
635int security_task_setgroups(struct group_info *group_info)
636{
637 return security_ops->task_setgroups(group_info);
638}
639
640int security_task_setnice(struct task_struct *p, int nice)
641{
642 return security_ops->task_setnice(p, nice);
643}
644
645int security_task_setioprio(struct task_struct *p, int ioprio)
646{
647 return security_ops->task_setioprio(p, ioprio);
648}
649
650int security_task_getioprio(struct task_struct *p)
651{
652 return security_ops->task_getioprio(p);
653}
654
655int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
656{
657 return security_ops->task_setrlimit(resource, new_rlim);
658}
659
660int security_task_setscheduler(struct task_struct *p,
661 int policy, struct sched_param *lp)
662{
663 return security_ops->task_setscheduler(p, policy, lp);
664}
665
666int security_task_getscheduler(struct task_struct *p)
667{
668 return security_ops->task_getscheduler(p);
669}
670
671int security_task_movememory(struct task_struct *p)
672{
673 return security_ops->task_movememory(p);
674}
675
676int security_task_kill(struct task_struct *p, struct siginfo *info,
677 int sig, u32 secid)
678{
679 return security_ops->task_kill(p, info, sig, secid);
680}
681
682int security_task_wait(struct task_struct *p)
683{
684 return security_ops->task_wait(p);
685}
686
687int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
688 unsigned long arg4, unsigned long arg5)
689{
690 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
691}
692
693void security_task_reparent_to_init(struct task_struct *p)
694{
695 security_ops->task_reparent_to_init(p);
696}
697
698void security_task_to_inode(struct task_struct *p, struct inode *inode)
699{
700 security_ops->task_to_inode(p, inode);
701}
702
703int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
704{
705 return security_ops->ipc_permission(ipcp, flag);
706}
707
708int security_msg_msg_alloc(struct msg_msg *msg)
709{
710 return security_ops->msg_msg_alloc_security(msg);
711}
712
713void security_msg_msg_free(struct msg_msg *msg)
714{
715 security_ops->msg_msg_free_security(msg);
716}
717
718int security_msg_queue_alloc(struct msg_queue *msq)
719{
720 return security_ops->msg_queue_alloc_security(msq);
721}
722
723void security_msg_queue_free(struct msg_queue *msq)
724{
725 security_ops->msg_queue_free_security(msq);
726}
727
728int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
729{
730 return security_ops->msg_queue_associate(msq, msqflg);
731}
732
733int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
734{
735 return security_ops->msg_queue_msgctl(msq, cmd);
736}
737
738int security_msg_queue_msgsnd(struct msg_queue *msq,
739 struct msg_msg *msg, int msqflg)
740{
741 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
742}
743
744int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
745 struct task_struct *target, long type, int mode)
746{
747 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
748}
749
750int security_shm_alloc(struct shmid_kernel *shp)
751{
752 return security_ops->shm_alloc_security(shp);
753}
754
755void security_shm_free(struct shmid_kernel *shp)
756{
757 security_ops->shm_free_security(shp);
758}
759
760int security_shm_associate(struct shmid_kernel *shp, int shmflg)
761{
762 return security_ops->shm_associate(shp, shmflg);
763}
764
765int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
766{
767 return security_ops->shm_shmctl(shp, cmd);
768}
769
770int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
771{
772 return security_ops->shm_shmat(shp, shmaddr, shmflg);
773}
774
775int security_sem_alloc(struct sem_array *sma)
776{
777 return security_ops->sem_alloc_security(sma);
778}
779
780void security_sem_free(struct sem_array *sma)
781{
782 security_ops->sem_free_security(sma);
783}
784
785int security_sem_associate(struct sem_array *sma, int semflg)
786{
787 return security_ops->sem_associate(sma, semflg);
788}
789
790int security_sem_semctl(struct sem_array *sma, int cmd)
791{
792 return security_ops->sem_semctl(sma, cmd);
793}
794
795int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
796 unsigned nsops, int alter)
797{
798 return security_ops->sem_semop(sma, sops, nsops, alter);
799}
800
801void security_d_instantiate(struct dentry *dentry, struct inode *inode)
802{
803 if (unlikely(inode && IS_PRIVATE(inode)))
804 return;
805 security_ops->d_instantiate(dentry, inode);
806}
807EXPORT_SYMBOL(security_d_instantiate);
808
809int security_getprocattr(struct task_struct *p, char *name, char **value)
810{
811 return security_ops->getprocattr(p, name, value);
812}
813
814int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
815{
816 return security_ops->setprocattr(p, name, value, size);
817}
818
819int security_netlink_send(struct sock *sk, struct sk_buff *skb)
820{
821 return security_ops->netlink_send(sk, skb);
822}
James Morris20510f22007-10-16 23:31:32 -0700823
824int security_netlink_recv(struct sk_buff *skb, int cap)
825{
826 return security_ops->netlink_recv(skb, cap);
827}
828EXPORT_SYMBOL(security_netlink_recv);
829
830int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
831{
832 return security_ops->secid_to_secctx(secid, secdata, seclen);
833}
834EXPORT_SYMBOL(security_secid_to_secctx);
835
David Howells63cb3442008-01-15 23:47:35 +0000836int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
837{
838 return security_ops->secctx_to_secid(secdata, seclen, secid);
839}
840EXPORT_SYMBOL(security_secctx_to_secid);
841
James Morris20510f22007-10-16 23:31:32 -0700842void security_release_secctx(char *secdata, u32 seclen)
843{
844 return security_ops->release_secctx(secdata, seclen);
845}
846EXPORT_SYMBOL(security_release_secctx);
847
848#ifdef CONFIG_SECURITY_NETWORK
849
850int security_unix_stream_connect(struct socket *sock, struct socket *other,
851 struct sock *newsk)
852{
853 return security_ops->unix_stream_connect(sock, other, newsk);
854}
855EXPORT_SYMBOL(security_unix_stream_connect);
856
857int security_unix_may_send(struct socket *sock, struct socket *other)
858{
859 return security_ops->unix_may_send(sock, other);
860}
861EXPORT_SYMBOL(security_unix_may_send);
862
863int security_socket_create(int family, int type, int protocol, int kern)
864{
865 return security_ops->socket_create(family, type, protocol, kern);
866}
867
868int security_socket_post_create(struct socket *sock, int family,
869 int type, int protocol, int kern)
870{
871 return security_ops->socket_post_create(sock, family, type,
872 protocol, kern);
873}
874
875int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
876{
877 return security_ops->socket_bind(sock, address, addrlen);
878}
879
880int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
881{
882 return security_ops->socket_connect(sock, address, addrlen);
883}
884
885int security_socket_listen(struct socket *sock, int backlog)
886{
887 return security_ops->socket_listen(sock, backlog);
888}
889
890int security_socket_accept(struct socket *sock, struct socket *newsock)
891{
892 return security_ops->socket_accept(sock, newsock);
893}
894
895void security_socket_post_accept(struct socket *sock, struct socket *newsock)
896{
897 security_ops->socket_post_accept(sock, newsock);
898}
899
900int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
901{
902 return security_ops->socket_sendmsg(sock, msg, size);
903}
904
905int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
906 int size, int flags)
907{
908 return security_ops->socket_recvmsg(sock, msg, size, flags);
909}
910
911int security_socket_getsockname(struct socket *sock)
912{
913 return security_ops->socket_getsockname(sock);
914}
915
916int security_socket_getpeername(struct socket *sock)
917{
918 return security_ops->socket_getpeername(sock);
919}
920
921int security_socket_getsockopt(struct socket *sock, int level, int optname)
922{
923 return security_ops->socket_getsockopt(sock, level, optname);
924}
925
926int security_socket_setsockopt(struct socket *sock, int level, int optname)
927{
928 return security_ops->socket_setsockopt(sock, level, optname);
929}
930
931int security_socket_shutdown(struct socket *sock, int how)
932{
933 return security_ops->socket_shutdown(sock, how);
934}
935
936int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
937{
938 return security_ops->socket_sock_rcv_skb(sk, skb);
939}
940EXPORT_SYMBOL(security_sock_rcv_skb);
941
942int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
943 int __user *optlen, unsigned len)
944{
945 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
946}
947
948int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
949{
950 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
951}
952EXPORT_SYMBOL(security_socket_getpeersec_dgram);
953
954int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
955{
956 return security_ops->sk_alloc_security(sk, family, priority);
957}
958
959void security_sk_free(struct sock *sk)
960{
961 return security_ops->sk_free_security(sk);
962}
963
964void security_sk_clone(const struct sock *sk, struct sock *newsk)
965{
966 return security_ops->sk_clone_security(sk, newsk);
967}
968
969void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
970{
971 security_ops->sk_getsecid(sk, &fl->secid);
972}
973EXPORT_SYMBOL(security_sk_classify_flow);
974
975void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
976{
977 security_ops->req_classify_flow(req, fl);
978}
979EXPORT_SYMBOL(security_req_classify_flow);
980
981void security_sock_graft(struct sock *sk, struct socket *parent)
982{
983 security_ops->sock_graft(sk, parent);
984}
985EXPORT_SYMBOL(security_sock_graft);
986
987int security_inet_conn_request(struct sock *sk,
988 struct sk_buff *skb, struct request_sock *req)
989{
990 return security_ops->inet_conn_request(sk, skb, req);
991}
992EXPORT_SYMBOL(security_inet_conn_request);
993
994void security_inet_csk_clone(struct sock *newsk,
995 const struct request_sock *req)
996{
997 security_ops->inet_csk_clone(newsk, req);
998}
999
1000void security_inet_conn_established(struct sock *sk,
1001 struct sk_buff *skb)
1002{
1003 security_ops->inet_conn_established(sk, skb);
1004}
1005
1006#endif /* CONFIG_SECURITY_NETWORK */
1007
1008#ifdef CONFIG_SECURITY_NETWORK_XFRM
1009
1010int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
1011{
1012 return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
1013}
1014EXPORT_SYMBOL(security_xfrm_policy_alloc);
1015
1016int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
1017{
1018 return security_ops->xfrm_policy_clone_security(old, new);
1019}
1020
1021void security_xfrm_policy_free(struct xfrm_policy *xp)
1022{
1023 security_ops->xfrm_policy_free_security(xp);
1024}
1025EXPORT_SYMBOL(security_xfrm_policy_free);
1026
1027int security_xfrm_policy_delete(struct xfrm_policy *xp)
1028{
1029 return security_ops->xfrm_policy_delete_security(xp);
1030}
1031
1032int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1033{
1034 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1035}
1036EXPORT_SYMBOL(security_xfrm_state_alloc);
1037
1038int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1039 struct xfrm_sec_ctx *polsec, u32 secid)
1040{
1041 if (!polsec)
1042 return 0;
1043 /*
1044 * We want the context to be taken from secid which is usually
1045 * from the sock.
1046 */
1047 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1048}
1049
1050int security_xfrm_state_delete(struct xfrm_state *x)
1051{
1052 return security_ops->xfrm_state_delete_security(x);
1053}
1054EXPORT_SYMBOL(security_xfrm_state_delete);
1055
1056void security_xfrm_state_free(struct xfrm_state *x)
1057{
1058 security_ops->xfrm_state_free_security(x);
1059}
1060
1061int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
1062{
1063 return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
1064}
1065
1066int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1067 struct xfrm_policy *xp, struct flowi *fl)
1068{
1069 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1070}
1071
1072int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1073{
1074 return security_ops->xfrm_decode_session(skb, secid, 1);
1075}
1076
1077void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1078{
1079 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1080
1081 BUG_ON(rc);
1082}
1083EXPORT_SYMBOL(security_skb_classify_flow);
1084
1085#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1086
1087#ifdef CONFIG_KEYS
1088
1089int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1090{
1091 return security_ops->key_alloc(key, tsk, flags);
1092}
1093
1094void security_key_free(struct key *key)
1095{
1096 security_ops->key_free(key);
1097}
1098
1099int security_key_permission(key_ref_t key_ref,
1100 struct task_struct *context, key_perm_t perm)
1101{
1102 return security_ops->key_permission(key_ref, context, perm);
1103}
1104
1105#endif /* CONFIG_KEYS */