blob: ca475ca206e4b3afe51ad7bdee1c30fe8398c892 [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 Parised032182007-06-28 15:55:21 -040026unsigned long mmap_min_addr; /* 0 means no protection */
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
28static inline int verify(struct security_operations *ops)
29{
30 /* verify the security_operations structure exists */
31 if (!ops)
32 return -EINVAL;
33 security_fixup_ops(ops);
34 return 0;
35}
36
37static void __init do_security_initcalls(void)
38{
39 initcall_t *call;
40 call = __security_initcall_start;
41 while (call < __security_initcall_end) {
42 (*call) ();
43 call++;
44 }
45}
46
47/**
48 * security_init - initializes the security framework
49 *
50 * This should be called early in the kernel initialization sequence.
51 */
52int __init security_init(void)
53{
James Morris20510f22007-10-16 23:31:32 -070054 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
56 if (verify(&dummy_security_ops)) {
57 printk(KERN_ERR "%s could not verify "
58 "dummy_security_ops structure.\n", __FUNCTION__);
59 return -EIO;
60 }
61
62 security_ops = &dummy_security_ops;
63 do_security_initcalls();
64
65 return 0;
66}
67
68/**
69 * register_security - registers a security framework with the kernel
70 * @ops: a pointer to the struct security_options that is to be registered
71 *
72 * This function is to allow a security module to register itself with the
73 * kernel security subsystem. Some rudimentary checking is done on the @ops
Adrian Bunkcbfee342007-10-16 23:31:38 -070074 * value passed to this function.
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 *
76 * If there is already a security module registered with the kernel,
77 * an error will be returned. Otherwise 0 is returned on success.
78 */
79int register_security(struct security_operations *ops)
80{
81 if (verify(ops)) {
82 printk(KERN_DEBUG "%s could not verify "
83 "security_operations structure.\n", __FUNCTION__);
84 return -EINVAL;
85 }
86
87 if (security_ops != &dummy_security_ops)
88 return -EAGAIN;
89
90 security_ops = ops;
91
92 return 0;
93}
94
95/**
Linus Torvalds1da177e2005-04-16 15:20:36 -070096 * mod_reg_security - allows security modules to be "stacked"
97 * @name: a pointer to a string with the name of the security_options to be registered
98 * @ops: a pointer to the struct security_options that is to be registered
99 *
100 * This function allows security modules to be stacked if the currently loaded
101 * security module allows this to happen. It passes the @name and @ops to the
102 * register_security function of the currently loaded security module.
103 *
104 * The return value depends on the currently loaded security module, with 0 as
105 * success.
106 */
107int mod_reg_security(const char *name, struct security_operations *ops)
108{
109 if (verify(ops)) {
110 printk(KERN_INFO "%s could not verify "
111 "security operations.\n", __FUNCTION__);
112 return -EINVAL;
113 }
114
115 if (ops == security_ops) {
116 printk(KERN_INFO "%s security operations "
117 "already registered.\n", __FUNCTION__);
118 return -EINVAL;
119 }
120
121 return security_ops->register_security(name, ops);
122}
123
James Morris20510f22007-10-16 23:31:32 -0700124/* Security operations */
125
126int security_ptrace(struct task_struct *parent, struct task_struct *child)
127{
128 return security_ops->ptrace(parent, child);
129}
130
131int security_capget(struct task_struct *target,
132 kernel_cap_t *effective,
133 kernel_cap_t *inheritable,
134 kernel_cap_t *permitted)
135{
136 return security_ops->capget(target, effective, inheritable, permitted);
137}
138
139int security_capset_check(struct task_struct *target,
140 kernel_cap_t *effective,
141 kernel_cap_t *inheritable,
142 kernel_cap_t *permitted)
143{
144 return security_ops->capset_check(target, effective, inheritable, permitted);
145}
146
147void security_capset_set(struct task_struct *target,
148 kernel_cap_t *effective,
149 kernel_cap_t *inheritable,
150 kernel_cap_t *permitted)
151{
152 security_ops->capset_set(target, effective, inheritable, permitted);
153}
154
155int security_capable(struct task_struct *tsk, int cap)
156{
157 return security_ops->capable(tsk, cap);
158}
159
160int security_acct(struct file *file)
161{
162 return security_ops->acct(file);
163}
164
165int security_sysctl(struct ctl_table *table, int op)
166{
167 return security_ops->sysctl(table, op);
168}
169
170int security_quotactl(int cmds, int type, int id, struct super_block *sb)
171{
172 return security_ops->quotactl(cmds, type, id, sb);
173}
174
175int security_quota_on(struct dentry *dentry)
176{
177 return security_ops->quota_on(dentry);
178}
179
180int security_syslog(int type)
181{
182 return security_ops->syslog(type);
183}
184
185int security_settime(struct timespec *ts, struct timezone *tz)
186{
187 return security_ops->settime(ts, tz);
188}
189
190int security_vm_enough_memory(long pages)
191{
192 return security_ops->vm_enough_memory(current->mm, pages);
193}
194
195int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
196{
197 return security_ops->vm_enough_memory(mm, pages);
198}
199
200int security_bprm_alloc(struct linux_binprm *bprm)
201{
202 return security_ops->bprm_alloc_security(bprm);
203}
204
205void security_bprm_free(struct linux_binprm *bprm)
206{
207 security_ops->bprm_free_security(bprm);
208}
209
210void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
211{
212 security_ops->bprm_apply_creds(bprm, unsafe);
213}
214
215void security_bprm_post_apply_creds(struct linux_binprm *bprm)
216{
217 security_ops->bprm_post_apply_creds(bprm);
218}
219
220int security_bprm_set(struct linux_binprm *bprm)
221{
222 return security_ops->bprm_set_security(bprm);
223}
224
225int security_bprm_check(struct linux_binprm *bprm)
226{
227 return security_ops->bprm_check_security(bprm);
228}
229
230int security_bprm_secureexec(struct linux_binprm *bprm)
231{
232 return security_ops->bprm_secureexec(bprm);
233}
234
235int security_sb_alloc(struct super_block *sb)
236{
237 return security_ops->sb_alloc_security(sb);
238}
239
240void security_sb_free(struct super_block *sb)
241{
242 security_ops->sb_free_security(sb);
243}
244
245int security_sb_copy_data(struct file_system_type *type, void *orig, void *copy)
246{
247 return security_ops->sb_copy_data(type, orig, copy);
248}
249
250int security_sb_kern_mount(struct super_block *sb, void *data)
251{
252 return security_ops->sb_kern_mount(sb, data);
253}
254
255int security_sb_statfs(struct dentry *dentry)
256{
257 return security_ops->sb_statfs(dentry);
258}
259
260int security_sb_mount(char *dev_name, struct nameidata *nd,
261 char *type, unsigned long flags, void *data)
262{
263 return security_ops->sb_mount(dev_name, nd, type, flags, data);
264}
265
266int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
267{
268 return security_ops->sb_check_sb(mnt, nd);
269}
270
271int security_sb_umount(struct vfsmount *mnt, int flags)
272{
273 return security_ops->sb_umount(mnt, flags);
274}
275
276void security_sb_umount_close(struct vfsmount *mnt)
277{
278 security_ops->sb_umount_close(mnt);
279}
280
281void security_sb_umount_busy(struct vfsmount *mnt)
282{
283 security_ops->sb_umount_busy(mnt);
284}
285
286void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
287{
288 security_ops->sb_post_remount(mnt, flags, data);
289}
290
James Morris20510f22007-10-16 23:31:32 -0700291void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
292{
293 security_ops->sb_post_addmount(mnt, mountpoint_nd);
294}
295
296int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
297{
298 return security_ops->sb_pivotroot(old_nd, new_nd);
299}
300
301void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
302{
303 security_ops->sb_post_pivotroot(old_nd, new_nd);
304}
305
Eric Parisc9180a52007-11-30 13:00:35 -0500306int security_sb_get_mnt_opts(const struct super_block *sb,
307 char ***mount_options,
308 int **flags, int *num_opts)
309{
310 return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts);
311}
312
313int security_sb_set_mnt_opts(struct super_block *sb,
314 char **mount_options,
315 int *flags, int num_opts)
316{
317 return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts);
318}
319
320void security_sb_clone_mnt_opts(const struct super_block *oldsb,
321 struct super_block *newsb)
322{
323 security_ops->sb_clone_mnt_opts(oldsb, newsb);
324}
325
James Morris20510f22007-10-16 23:31:32 -0700326int security_inode_alloc(struct inode *inode)
327{
328 inode->i_security = NULL;
329 return security_ops->inode_alloc_security(inode);
330}
331
332void security_inode_free(struct inode *inode)
333{
334 security_ops->inode_free_security(inode);
335}
336
337int security_inode_init_security(struct inode *inode, struct inode *dir,
338 char **name, void **value, size_t *len)
339{
340 if (unlikely(IS_PRIVATE(inode)))
341 return -EOPNOTSUPP;
342 return security_ops->inode_init_security(inode, dir, name, value, len);
343}
344EXPORT_SYMBOL(security_inode_init_security);
345
346int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
347{
348 if (unlikely(IS_PRIVATE(dir)))
349 return 0;
350 return security_ops->inode_create(dir, dentry, mode);
351}
352
353int security_inode_link(struct dentry *old_dentry, struct inode *dir,
354 struct dentry *new_dentry)
355{
356 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
357 return 0;
358 return security_ops->inode_link(old_dentry, dir, new_dentry);
359}
360
361int security_inode_unlink(struct inode *dir, struct dentry *dentry)
362{
363 if (unlikely(IS_PRIVATE(dentry->d_inode)))
364 return 0;
365 return security_ops->inode_unlink(dir, dentry);
366}
367
368int security_inode_symlink(struct inode *dir, struct dentry *dentry,
369 const char *old_name)
370{
371 if (unlikely(IS_PRIVATE(dir)))
372 return 0;
373 return security_ops->inode_symlink(dir, dentry, old_name);
374}
375
376int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
377{
378 if (unlikely(IS_PRIVATE(dir)))
379 return 0;
380 return security_ops->inode_mkdir(dir, dentry, mode);
381}
382
383int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
384{
385 if (unlikely(IS_PRIVATE(dentry->d_inode)))
386 return 0;
387 return security_ops->inode_rmdir(dir, dentry);
388}
389
390int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
391{
392 if (unlikely(IS_PRIVATE(dir)))
393 return 0;
394 return security_ops->inode_mknod(dir, dentry, mode, dev);
395}
396
397int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
398 struct inode *new_dir, struct dentry *new_dentry)
399{
400 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
401 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
402 return 0;
403 return security_ops->inode_rename(old_dir, old_dentry,
404 new_dir, new_dentry);
405}
406
407int security_inode_readlink(struct dentry *dentry)
408{
409 if (unlikely(IS_PRIVATE(dentry->d_inode)))
410 return 0;
411 return security_ops->inode_readlink(dentry);
412}
413
414int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
415{
416 if (unlikely(IS_PRIVATE(dentry->d_inode)))
417 return 0;
418 return security_ops->inode_follow_link(dentry, nd);
419}
420
421int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
422{
423 if (unlikely(IS_PRIVATE(inode)))
424 return 0;
425 return security_ops->inode_permission(inode, mask, nd);
426}
427
428int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
429{
430 if (unlikely(IS_PRIVATE(dentry->d_inode)))
431 return 0;
432 return security_ops->inode_setattr(dentry, attr);
433}
434
435int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
436{
437 if (unlikely(IS_PRIVATE(dentry->d_inode)))
438 return 0;
439 return security_ops->inode_getattr(mnt, dentry);
440}
441
442void security_inode_delete(struct inode *inode)
443{
444 if (unlikely(IS_PRIVATE(inode)))
445 return;
446 security_ops->inode_delete(inode);
447}
448
449int security_inode_setxattr(struct dentry *dentry, char *name,
450 void *value, size_t size, int flags)
451{
452 if (unlikely(IS_PRIVATE(dentry->d_inode)))
453 return 0;
454 return security_ops->inode_setxattr(dentry, name, value, size, flags);
455}
456
457void security_inode_post_setxattr(struct dentry *dentry, char *name,
458 void *value, size_t size, int flags)
459{
460 if (unlikely(IS_PRIVATE(dentry->d_inode)))
461 return;
462 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
463}
464
465int security_inode_getxattr(struct dentry *dentry, char *name)
466{
467 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return 0;
469 return security_ops->inode_getxattr(dentry, name);
470}
471
472int security_inode_listxattr(struct dentry *dentry)
473{
474 if (unlikely(IS_PRIVATE(dentry->d_inode)))
475 return 0;
476 return security_ops->inode_listxattr(dentry);
477}
478
479int security_inode_removexattr(struct dentry *dentry, char *name)
480{
481 if (unlikely(IS_PRIVATE(dentry->d_inode)))
482 return 0;
483 return security_ops->inode_removexattr(dentry, name);
484}
485
Serge E. Hallynb5376772007-10-16 23:31:36 -0700486int security_inode_need_killpriv(struct dentry *dentry)
487{
488 return security_ops->inode_need_killpriv(dentry);
489}
490
491int security_inode_killpriv(struct dentry *dentry)
492{
493 return security_ops->inode_killpriv(dentry);
494}
495
James Morris20510f22007-10-16 23:31:32 -0700496int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
497{
498 if (unlikely(IS_PRIVATE(inode)))
499 return 0;
500 return security_ops->inode_getsecurity(inode, name, buffer, size, err);
501}
502
503int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
504{
505 if (unlikely(IS_PRIVATE(inode)))
506 return 0;
507 return security_ops->inode_setsecurity(inode, name, value, size, flags);
508}
509
510int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
511{
512 if (unlikely(IS_PRIVATE(inode)))
513 return 0;
514 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
515}
516
517int security_file_permission(struct file *file, int mask)
518{
519 return security_ops->file_permission(file, mask);
520}
521
522int security_file_alloc(struct file *file)
523{
524 return security_ops->file_alloc_security(file);
525}
526
527void security_file_free(struct file *file)
528{
529 security_ops->file_free_security(file);
530}
531
532int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
533{
534 return security_ops->file_ioctl(file, cmd, arg);
535}
536
537int security_file_mmap(struct file *file, unsigned long reqprot,
538 unsigned long prot, unsigned long flags,
539 unsigned long addr, unsigned long addr_only)
540{
541 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
542}
543
544int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
545 unsigned long prot)
546{
547 return security_ops->file_mprotect(vma, reqprot, prot);
548}
549
550int security_file_lock(struct file *file, unsigned int cmd)
551{
552 return security_ops->file_lock(file, cmd);
553}
554
555int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
556{
557 return security_ops->file_fcntl(file, cmd, arg);
558}
559
560int security_file_set_fowner(struct file *file)
561{
562 return security_ops->file_set_fowner(file);
563}
564
565int security_file_send_sigiotask(struct task_struct *tsk,
566 struct fown_struct *fown, int sig)
567{
568 return security_ops->file_send_sigiotask(tsk, fown, sig);
569}
570
571int security_file_receive(struct file *file)
572{
573 return security_ops->file_receive(file);
574}
575
576int security_dentry_open(struct file *file)
577{
578 return security_ops->dentry_open(file);
579}
580
581int security_task_create(unsigned long clone_flags)
582{
583 return security_ops->task_create(clone_flags);
584}
585
586int security_task_alloc(struct task_struct *p)
587{
588 return security_ops->task_alloc_security(p);
589}
590
591void security_task_free(struct task_struct *p)
592{
593 security_ops->task_free_security(p);
594}
595
596int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
597{
598 return security_ops->task_setuid(id0, id1, id2, flags);
599}
600
601int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
602 uid_t old_suid, int flags)
603{
604 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
605}
606
607int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
608{
609 return security_ops->task_setgid(id0, id1, id2, flags);
610}
611
612int security_task_setpgid(struct task_struct *p, pid_t pgid)
613{
614 return security_ops->task_setpgid(p, pgid);
615}
616
617int security_task_getpgid(struct task_struct *p)
618{
619 return security_ops->task_getpgid(p);
620}
621
622int security_task_getsid(struct task_struct *p)
623{
624 return security_ops->task_getsid(p);
625}
626
627void security_task_getsecid(struct task_struct *p, u32 *secid)
628{
629 security_ops->task_getsecid(p, secid);
630}
631EXPORT_SYMBOL(security_task_getsecid);
632
633int security_task_setgroups(struct group_info *group_info)
634{
635 return security_ops->task_setgroups(group_info);
636}
637
638int security_task_setnice(struct task_struct *p, int nice)
639{
640 return security_ops->task_setnice(p, nice);
641}
642
643int security_task_setioprio(struct task_struct *p, int ioprio)
644{
645 return security_ops->task_setioprio(p, ioprio);
646}
647
648int security_task_getioprio(struct task_struct *p)
649{
650 return security_ops->task_getioprio(p);
651}
652
653int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
654{
655 return security_ops->task_setrlimit(resource, new_rlim);
656}
657
658int security_task_setscheduler(struct task_struct *p,
659 int policy, struct sched_param *lp)
660{
661 return security_ops->task_setscheduler(p, policy, lp);
662}
663
664int security_task_getscheduler(struct task_struct *p)
665{
666 return security_ops->task_getscheduler(p);
667}
668
669int security_task_movememory(struct task_struct *p)
670{
671 return security_ops->task_movememory(p);
672}
673
674int security_task_kill(struct task_struct *p, struct siginfo *info,
675 int sig, u32 secid)
676{
677 return security_ops->task_kill(p, info, sig, secid);
678}
679
680int security_task_wait(struct task_struct *p)
681{
682 return security_ops->task_wait(p);
683}
684
685int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
686 unsigned long arg4, unsigned long arg5)
687{
688 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
689}
690
691void security_task_reparent_to_init(struct task_struct *p)
692{
693 security_ops->task_reparent_to_init(p);
694}
695
696void security_task_to_inode(struct task_struct *p, struct inode *inode)
697{
698 security_ops->task_to_inode(p, inode);
699}
700
701int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
702{
703 return security_ops->ipc_permission(ipcp, flag);
704}
705
706int security_msg_msg_alloc(struct msg_msg *msg)
707{
708 return security_ops->msg_msg_alloc_security(msg);
709}
710
711void security_msg_msg_free(struct msg_msg *msg)
712{
713 security_ops->msg_msg_free_security(msg);
714}
715
716int security_msg_queue_alloc(struct msg_queue *msq)
717{
718 return security_ops->msg_queue_alloc_security(msq);
719}
720
721void security_msg_queue_free(struct msg_queue *msq)
722{
723 security_ops->msg_queue_free_security(msq);
724}
725
726int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
727{
728 return security_ops->msg_queue_associate(msq, msqflg);
729}
730
731int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
732{
733 return security_ops->msg_queue_msgctl(msq, cmd);
734}
735
736int security_msg_queue_msgsnd(struct msg_queue *msq,
737 struct msg_msg *msg, int msqflg)
738{
739 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
740}
741
742int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
743 struct task_struct *target, long type, int mode)
744{
745 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
746}
747
748int security_shm_alloc(struct shmid_kernel *shp)
749{
750 return security_ops->shm_alloc_security(shp);
751}
752
753void security_shm_free(struct shmid_kernel *shp)
754{
755 security_ops->shm_free_security(shp);
756}
757
758int security_shm_associate(struct shmid_kernel *shp, int shmflg)
759{
760 return security_ops->shm_associate(shp, shmflg);
761}
762
763int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
764{
765 return security_ops->shm_shmctl(shp, cmd);
766}
767
768int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
769{
770 return security_ops->shm_shmat(shp, shmaddr, shmflg);
771}
772
773int security_sem_alloc(struct sem_array *sma)
774{
775 return security_ops->sem_alloc_security(sma);
776}
777
778void security_sem_free(struct sem_array *sma)
779{
780 security_ops->sem_free_security(sma);
781}
782
783int security_sem_associate(struct sem_array *sma, int semflg)
784{
785 return security_ops->sem_associate(sma, semflg);
786}
787
788int security_sem_semctl(struct sem_array *sma, int cmd)
789{
790 return security_ops->sem_semctl(sma, cmd);
791}
792
793int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
794 unsigned nsops, int alter)
795{
796 return security_ops->sem_semop(sma, sops, nsops, alter);
797}
798
799void security_d_instantiate(struct dentry *dentry, struct inode *inode)
800{
801 if (unlikely(inode && IS_PRIVATE(inode)))
802 return;
803 security_ops->d_instantiate(dentry, inode);
804}
805EXPORT_SYMBOL(security_d_instantiate);
806
807int security_getprocattr(struct task_struct *p, char *name, char **value)
808{
809 return security_ops->getprocattr(p, name, value);
810}
811
812int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
813{
814 return security_ops->setprocattr(p, name, value, size);
815}
816
817int security_netlink_send(struct sock *sk, struct sk_buff *skb)
818{
819 return security_ops->netlink_send(sk, skb);
820}
James Morris20510f22007-10-16 23:31:32 -0700821
822int security_netlink_recv(struct sk_buff *skb, int cap)
823{
824 return security_ops->netlink_recv(skb, cap);
825}
826EXPORT_SYMBOL(security_netlink_recv);
827
828int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
829{
830 return security_ops->secid_to_secctx(secid, secdata, seclen);
831}
832EXPORT_SYMBOL(security_secid_to_secctx);
833
David Howells63cb3442008-01-15 23:47:35 +0000834int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
835{
836 return security_ops->secctx_to_secid(secdata, seclen, secid);
837}
838EXPORT_SYMBOL(security_secctx_to_secid);
839
James Morris20510f22007-10-16 23:31:32 -0700840void security_release_secctx(char *secdata, u32 seclen)
841{
842 return security_ops->release_secctx(secdata, seclen);
843}
844EXPORT_SYMBOL(security_release_secctx);
845
846#ifdef CONFIG_SECURITY_NETWORK
847
848int security_unix_stream_connect(struct socket *sock, struct socket *other,
849 struct sock *newsk)
850{
851 return security_ops->unix_stream_connect(sock, other, newsk);
852}
853EXPORT_SYMBOL(security_unix_stream_connect);
854
855int security_unix_may_send(struct socket *sock, struct socket *other)
856{
857 return security_ops->unix_may_send(sock, other);
858}
859EXPORT_SYMBOL(security_unix_may_send);
860
861int security_socket_create(int family, int type, int protocol, int kern)
862{
863 return security_ops->socket_create(family, type, protocol, kern);
864}
865
866int security_socket_post_create(struct socket *sock, int family,
867 int type, int protocol, int kern)
868{
869 return security_ops->socket_post_create(sock, family, type,
870 protocol, kern);
871}
872
873int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
874{
875 return security_ops->socket_bind(sock, address, addrlen);
876}
877
878int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
879{
880 return security_ops->socket_connect(sock, address, addrlen);
881}
882
883int security_socket_listen(struct socket *sock, int backlog)
884{
885 return security_ops->socket_listen(sock, backlog);
886}
887
888int security_socket_accept(struct socket *sock, struct socket *newsock)
889{
890 return security_ops->socket_accept(sock, newsock);
891}
892
893void security_socket_post_accept(struct socket *sock, struct socket *newsock)
894{
895 security_ops->socket_post_accept(sock, newsock);
896}
897
898int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
899{
900 return security_ops->socket_sendmsg(sock, msg, size);
901}
902
903int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
904 int size, int flags)
905{
906 return security_ops->socket_recvmsg(sock, msg, size, flags);
907}
908
909int security_socket_getsockname(struct socket *sock)
910{
911 return security_ops->socket_getsockname(sock);
912}
913
914int security_socket_getpeername(struct socket *sock)
915{
916 return security_ops->socket_getpeername(sock);
917}
918
919int security_socket_getsockopt(struct socket *sock, int level, int optname)
920{
921 return security_ops->socket_getsockopt(sock, level, optname);
922}
923
924int security_socket_setsockopt(struct socket *sock, int level, int optname)
925{
926 return security_ops->socket_setsockopt(sock, level, optname);
927}
928
929int security_socket_shutdown(struct socket *sock, int how)
930{
931 return security_ops->socket_shutdown(sock, how);
932}
933
934int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
935{
936 return security_ops->socket_sock_rcv_skb(sk, skb);
937}
938EXPORT_SYMBOL(security_sock_rcv_skb);
939
940int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
941 int __user *optlen, unsigned len)
942{
943 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
944}
945
946int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
947{
948 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
949}
950EXPORT_SYMBOL(security_socket_getpeersec_dgram);
951
952int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
953{
954 return security_ops->sk_alloc_security(sk, family, priority);
955}
956
957void security_sk_free(struct sock *sk)
958{
959 return security_ops->sk_free_security(sk);
960}
961
962void security_sk_clone(const struct sock *sk, struct sock *newsk)
963{
964 return security_ops->sk_clone_security(sk, newsk);
965}
966
967void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
968{
969 security_ops->sk_getsecid(sk, &fl->secid);
970}
971EXPORT_SYMBOL(security_sk_classify_flow);
972
973void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
974{
975 security_ops->req_classify_flow(req, fl);
976}
977EXPORT_SYMBOL(security_req_classify_flow);
978
979void security_sock_graft(struct sock *sk, struct socket *parent)
980{
981 security_ops->sock_graft(sk, parent);
982}
983EXPORT_SYMBOL(security_sock_graft);
984
985int security_inet_conn_request(struct sock *sk,
986 struct sk_buff *skb, struct request_sock *req)
987{
988 return security_ops->inet_conn_request(sk, skb, req);
989}
990EXPORT_SYMBOL(security_inet_conn_request);
991
992void security_inet_csk_clone(struct sock *newsk,
993 const struct request_sock *req)
994{
995 security_ops->inet_csk_clone(newsk, req);
996}
997
998void security_inet_conn_established(struct sock *sk,
999 struct sk_buff *skb)
1000{
1001 security_ops->inet_conn_established(sk, skb);
1002}
1003
1004#endif /* CONFIG_SECURITY_NETWORK */
1005
1006#ifdef CONFIG_SECURITY_NETWORK_XFRM
1007
1008int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
1009{
1010 return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
1011}
1012EXPORT_SYMBOL(security_xfrm_policy_alloc);
1013
1014int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
1015{
1016 return security_ops->xfrm_policy_clone_security(old, new);
1017}
1018
1019void security_xfrm_policy_free(struct xfrm_policy *xp)
1020{
1021 security_ops->xfrm_policy_free_security(xp);
1022}
1023EXPORT_SYMBOL(security_xfrm_policy_free);
1024
1025int security_xfrm_policy_delete(struct xfrm_policy *xp)
1026{
1027 return security_ops->xfrm_policy_delete_security(xp);
1028}
1029
1030int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1031{
1032 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1033}
1034EXPORT_SYMBOL(security_xfrm_state_alloc);
1035
1036int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1037 struct xfrm_sec_ctx *polsec, u32 secid)
1038{
1039 if (!polsec)
1040 return 0;
1041 /*
1042 * We want the context to be taken from secid which is usually
1043 * from the sock.
1044 */
1045 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1046}
1047
1048int security_xfrm_state_delete(struct xfrm_state *x)
1049{
1050 return security_ops->xfrm_state_delete_security(x);
1051}
1052EXPORT_SYMBOL(security_xfrm_state_delete);
1053
1054void security_xfrm_state_free(struct xfrm_state *x)
1055{
1056 security_ops->xfrm_state_free_security(x);
1057}
1058
1059int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
1060{
1061 return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
1062}
1063
1064int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1065 struct xfrm_policy *xp, struct flowi *fl)
1066{
1067 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1068}
1069
1070int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1071{
1072 return security_ops->xfrm_decode_session(skb, secid, 1);
1073}
1074
1075void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1076{
1077 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1078
1079 BUG_ON(rc);
1080}
1081EXPORT_SYMBOL(security_skb_classify_flow);
1082
1083#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1084
1085#ifdef CONFIG_KEYS
1086
1087int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1088{
1089 return security_ops->key_alloc(key, tsk, flags);
1090}
1091
1092void security_key_free(struct key *key)
1093{
1094 security_ops->key_free(key);
1095}
1096
1097int security_key_permission(key_ref_t key_ref,
1098 struct task_struct *context, key_perm_t perm)
1099{
1100 return security_ops->key_permission(key_ref, context, perm);
1101}
1102
1103#endif /* CONFIG_KEYS */