blob: 2ef593ec70f3b29832d2fbe26ccaa6f57eb12e56 [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 "
Harvey Harrisondd6f9532008-03-06 10:03:59 +110060 "dummy_security_ops structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 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 "
Harvey Harrisondd6f9532008-03-06 10:03:59 +110085 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 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 "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100113 "security operations.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 return -EINVAL;
115 }
116
117 if (ops == security_ops) {
118 printk(KERN_INFO "%s security operations "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100119 "already registered.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 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
Eric Parise0007522008-03-05 10:31:54 -0500247int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700248{
Eric Parise0007522008-03-05 10:31:54 -0500249 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700250}
Eric Parise0007522008-03-05 10:31:54 -0500251EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700252
253int security_sb_kern_mount(struct super_block *sb, void *data)
254{
255 return security_ops->sb_kern_mount(sb, data);
256}
257
258int security_sb_statfs(struct dentry *dentry)
259{
260 return security_ops->sb_statfs(dentry);
261}
262
263int security_sb_mount(char *dev_name, struct nameidata *nd,
264 char *type, unsigned long flags, void *data)
265{
266 return security_ops->sb_mount(dev_name, nd, type, flags, data);
267}
268
269int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
270{
271 return security_ops->sb_check_sb(mnt, nd);
272}
273
274int security_sb_umount(struct vfsmount *mnt, int flags)
275{
276 return security_ops->sb_umount(mnt, flags);
277}
278
279void security_sb_umount_close(struct vfsmount *mnt)
280{
281 security_ops->sb_umount_close(mnt);
282}
283
284void security_sb_umount_busy(struct vfsmount *mnt)
285{
286 security_ops->sb_umount_busy(mnt);
287}
288
289void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
290{
291 security_ops->sb_post_remount(mnt, flags, data);
292}
293
James Morris20510f22007-10-16 23:31:32 -0700294void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
295{
296 security_ops->sb_post_addmount(mnt, mountpoint_nd);
297}
298
299int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
300{
301 return security_ops->sb_pivotroot(old_nd, new_nd);
302}
303
304void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
305{
306 security_ops->sb_post_pivotroot(old_nd, new_nd);
307}
308
Eric Parisc9180a52007-11-30 13:00:35 -0500309int security_sb_get_mnt_opts(const struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500310 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500311{
Eric Parise0007522008-03-05 10:31:54 -0500312 return security_ops->sb_get_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500313}
314
315int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500316 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500317{
Eric Parise0007522008-03-05 10:31:54 -0500318 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500319}
Eric Parise0007522008-03-05 10:31:54 -0500320EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500321
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}
Eric Parise0007522008-03-05 10:31:54 -0500327EXPORT_SYMBOL(security_sb_clone_mnt_opts);
328
329int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
330{
331 return security_ops->sb_parse_opts_str(options, opts);
332}
333EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500334
James Morris20510f22007-10-16 23:31:32 -0700335int security_inode_alloc(struct inode *inode)
336{
337 inode->i_security = NULL;
338 return security_ops->inode_alloc_security(inode);
339}
340
341void security_inode_free(struct inode *inode)
342{
343 security_ops->inode_free_security(inode);
344}
345
346int security_inode_init_security(struct inode *inode, struct inode *dir,
347 char **name, void **value, size_t *len)
348{
349 if (unlikely(IS_PRIVATE(inode)))
350 return -EOPNOTSUPP;
351 return security_ops->inode_init_security(inode, dir, name, value, len);
352}
353EXPORT_SYMBOL(security_inode_init_security);
354
355int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
356{
357 if (unlikely(IS_PRIVATE(dir)))
358 return 0;
359 return security_ops->inode_create(dir, dentry, mode);
360}
361
362int security_inode_link(struct dentry *old_dentry, struct inode *dir,
363 struct dentry *new_dentry)
364{
365 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
366 return 0;
367 return security_ops->inode_link(old_dentry, dir, new_dentry);
368}
369
370int security_inode_unlink(struct inode *dir, struct dentry *dentry)
371{
372 if (unlikely(IS_PRIVATE(dentry->d_inode)))
373 return 0;
374 return security_ops->inode_unlink(dir, dentry);
375}
376
377int security_inode_symlink(struct inode *dir, struct dentry *dentry,
378 const char *old_name)
379{
380 if (unlikely(IS_PRIVATE(dir)))
381 return 0;
382 return security_ops->inode_symlink(dir, dentry, old_name);
383}
384
385int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
386{
387 if (unlikely(IS_PRIVATE(dir)))
388 return 0;
389 return security_ops->inode_mkdir(dir, dentry, mode);
390}
391
392int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
393{
394 if (unlikely(IS_PRIVATE(dentry->d_inode)))
395 return 0;
396 return security_ops->inode_rmdir(dir, dentry);
397}
398
399int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
400{
401 if (unlikely(IS_PRIVATE(dir)))
402 return 0;
403 return security_ops->inode_mknod(dir, dentry, mode, dev);
404}
405
406int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
407 struct inode *new_dir, struct dentry *new_dentry)
408{
409 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
410 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
411 return 0;
412 return security_ops->inode_rename(old_dir, old_dentry,
413 new_dir, new_dentry);
414}
415
416int security_inode_readlink(struct dentry *dentry)
417{
418 if (unlikely(IS_PRIVATE(dentry->d_inode)))
419 return 0;
420 return security_ops->inode_readlink(dentry);
421}
422
423int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
424{
425 if (unlikely(IS_PRIVATE(dentry->d_inode)))
426 return 0;
427 return security_ops->inode_follow_link(dentry, nd);
428}
429
430int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
431{
432 if (unlikely(IS_PRIVATE(inode)))
433 return 0;
434 return security_ops->inode_permission(inode, mask, nd);
435}
436
437int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
438{
439 if (unlikely(IS_PRIVATE(dentry->d_inode)))
440 return 0;
441 return security_ops->inode_setattr(dentry, attr);
442}
443
444int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
445{
446 if (unlikely(IS_PRIVATE(dentry->d_inode)))
447 return 0;
448 return security_ops->inode_getattr(mnt, dentry);
449}
450
451void security_inode_delete(struct inode *inode)
452{
453 if (unlikely(IS_PRIVATE(inode)))
454 return;
455 security_ops->inode_delete(inode);
456}
457
458int security_inode_setxattr(struct dentry *dentry, char *name,
459 void *value, size_t size, int flags)
460{
461 if (unlikely(IS_PRIVATE(dentry->d_inode)))
462 return 0;
463 return security_ops->inode_setxattr(dentry, name, value, size, flags);
464}
465
466void security_inode_post_setxattr(struct dentry *dentry, char *name,
467 void *value, size_t size, int flags)
468{
469 if (unlikely(IS_PRIVATE(dentry->d_inode)))
470 return;
471 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
472}
473
474int security_inode_getxattr(struct dentry *dentry, char *name)
475{
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_getxattr(dentry, name);
479}
480
481int security_inode_listxattr(struct dentry *dentry)
482{
483 if (unlikely(IS_PRIVATE(dentry->d_inode)))
484 return 0;
485 return security_ops->inode_listxattr(dentry);
486}
487
488int security_inode_removexattr(struct dentry *dentry, char *name)
489{
490 if (unlikely(IS_PRIVATE(dentry->d_inode)))
491 return 0;
492 return security_ops->inode_removexattr(dentry, name);
493}
494
Serge E. Hallynb5376772007-10-16 23:31:36 -0700495int security_inode_need_killpriv(struct dentry *dentry)
496{
497 return security_ops->inode_need_killpriv(dentry);
498}
499
500int security_inode_killpriv(struct dentry *dentry)
501{
502 return security_ops->inode_killpriv(dentry);
503}
504
David P. Quigley42492592008-02-04 22:29:39 -0800505int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700506{
507 if (unlikely(IS_PRIVATE(inode)))
508 return 0;
David P. Quigley42492592008-02-04 22:29:39 -0800509 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700510}
511
512int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
513{
514 if (unlikely(IS_PRIVATE(inode)))
515 return 0;
516 return security_ops->inode_setsecurity(inode, name, value, size, flags);
517}
518
519int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
520{
521 if (unlikely(IS_PRIVATE(inode)))
522 return 0;
523 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
524}
525
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200526void security_inode_getsecid(const struct inode *inode, u32 *secid)
527{
528 security_ops->inode_getsecid(inode, secid);
529}
530
James Morris20510f22007-10-16 23:31:32 -0700531int security_file_permission(struct file *file, int mask)
532{
533 return security_ops->file_permission(file, mask);
534}
535
536int security_file_alloc(struct file *file)
537{
538 return security_ops->file_alloc_security(file);
539}
540
541void security_file_free(struct file *file)
542{
543 security_ops->file_free_security(file);
544}
545
546int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
547{
548 return security_ops->file_ioctl(file, cmd, arg);
549}
550
551int security_file_mmap(struct file *file, unsigned long reqprot,
552 unsigned long prot, unsigned long flags,
553 unsigned long addr, unsigned long addr_only)
554{
555 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
556}
557
558int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
559 unsigned long prot)
560{
561 return security_ops->file_mprotect(vma, reqprot, prot);
562}
563
564int security_file_lock(struct file *file, unsigned int cmd)
565{
566 return security_ops->file_lock(file, cmd);
567}
568
569int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
570{
571 return security_ops->file_fcntl(file, cmd, arg);
572}
573
574int security_file_set_fowner(struct file *file)
575{
576 return security_ops->file_set_fowner(file);
577}
578
579int security_file_send_sigiotask(struct task_struct *tsk,
580 struct fown_struct *fown, int sig)
581{
582 return security_ops->file_send_sigiotask(tsk, fown, sig);
583}
584
585int security_file_receive(struct file *file)
586{
587 return security_ops->file_receive(file);
588}
589
590int security_dentry_open(struct file *file)
591{
592 return security_ops->dentry_open(file);
593}
594
595int security_task_create(unsigned long clone_flags)
596{
597 return security_ops->task_create(clone_flags);
598}
599
600int security_task_alloc(struct task_struct *p)
601{
602 return security_ops->task_alloc_security(p);
603}
604
605void security_task_free(struct task_struct *p)
606{
607 security_ops->task_free_security(p);
608}
609
610int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
611{
612 return security_ops->task_setuid(id0, id1, id2, flags);
613}
614
615int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
616 uid_t old_suid, int flags)
617{
618 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
619}
620
621int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
622{
623 return security_ops->task_setgid(id0, id1, id2, flags);
624}
625
626int security_task_setpgid(struct task_struct *p, pid_t pgid)
627{
628 return security_ops->task_setpgid(p, pgid);
629}
630
631int security_task_getpgid(struct task_struct *p)
632{
633 return security_ops->task_getpgid(p);
634}
635
636int security_task_getsid(struct task_struct *p)
637{
638 return security_ops->task_getsid(p);
639}
640
641void security_task_getsecid(struct task_struct *p, u32 *secid)
642{
643 security_ops->task_getsecid(p, secid);
644}
645EXPORT_SYMBOL(security_task_getsecid);
646
647int security_task_setgroups(struct group_info *group_info)
648{
649 return security_ops->task_setgroups(group_info);
650}
651
652int security_task_setnice(struct task_struct *p, int nice)
653{
654 return security_ops->task_setnice(p, nice);
655}
656
657int security_task_setioprio(struct task_struct *p, int ioprio)
658{
659 return security_ops->task_setioprio(p, ioprio);
660}
661
662int security_task_getioprio(struct task_struct *p)
663{
664 return security_ops->task_getioprio(p);
665}
666
667int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
668{
669 return security_ops->task_setrlimit(resource, new_rlim);
670}
671
672int security_task_setscheduler(struct task_struct *p,
673 int policy, struct sched_param *lp)
674{
675 return security_ops->task_setscheduler(p, policy, lp);
676}
677
678int security_task_getscheduler(struct task_struct *p)
679{
680 return security_ops->task_getscheduler(p);
681}
682
683int security_task_movememory(struct task_struct *p)
684{
685 return security_ops->task_movememory(p);
686}
687
688int security_task_kill(struct task_struct *p, struct siginfo *info,
689 int sig, u32 secid)
690{
691 return security_ops->task_kill(p, info, sig, secid);
692}
693
694int security_task_wait(struct task_struct *p)
695{
696 return security_ops->task_wait(p);
697}
698
699int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
700 unsigned long arg4, unsigned long arg5)
701{
702 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
703}
704
705void security_task_reparent_to_init(struct task_struct *p)
706{
707 security_ops->task_reparent_to_init(p);
708}
709
710void security_task_to_inode(struct task_struct *p, struct inode *inode)
711{
712 security_ops->task_to_inode(p, inode);
713}
714
715int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
716{
717 return security_ops->ipc_permission(ipcp, flag);
718}
719
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200720void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
721{
722 security_ops->ipc_getsecid(ipcp, secid);
723}
724
James Morris20510f22007-10-16 23:31:32 -0700725int security_msg_msg_alloc(struct msg_msg *msg)
726{
727 return security_ops->msg_msg_alloc_security(msg);
728}
729
730void security_msg_msg_free(struct msg_msg *msg)
731{
732 security_ops->msg_msg_free_security(msg);
733}
734
735int security_msg_queue_alloc(struct msg_queue *msq)
736{
737 return security_ops->msg_queue_alloc_security(msq);
738}
739
740void security_msg_queue_free(struct msg_queue *msq)
741{
742 security_ops->msg_queue_free_security(msq);
743}
744
745int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
746{
747 return security_ops->msg_queue_associate(msq, msqflg);
748}
749
750int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
751{
752 return security_ops->msg_queue_msgctl(msq, cmd);
753}
754
755int security_msg_queue_msgsnd(struct msg_queue *msq,
756 struct msg_msg *msg, int msqflg)
757{
758 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
759}
760
761int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
762 struct task_struct *target, long type, int mode)
763{
764 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
765}
766
767int security_shm_alloc(struct shmid_kernel *shp)
768{
769 return security_ops->shm_alloc_security(shp);
770}
771
772void security_shm_free(struct shmid_kernel *shp)
773{
774 security_ops->shm_free_security(shp);
775}
776
777int security_shm_associate(struct shmid_kernel *shp, int shmflg)
778{
779 return security_ops->shm_associate(shp, shmflg);
780}
781
782int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
783{
784 return security_ops->shm_shmctl(shp, cmd);
785}
786
787int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
788{
789 return security_ops->shm_shmat(shp, shmaddr, shmflg);
790}
791
792int security_sem_alloc(struct sem_array *sma)
793{
794 return security_ops->sem_alloc_security(sma);
795}
796
797void security_sem_free(struct sem_array *sma)
798{
799 security_ops->sem_free_security(sma);
800}
801
802int security_sem_associate(struct sem_array *sma, int semflg)
803{
804 return security_ops->sem_associate(sma, semflg);
805}
806
807int security_sem_semctl(struct sem_array *sma, int cmd)
808{
809 return security_ops->sem_semctl(sma, cmd);
810}
811
812int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
813 unsigned nsops, int alter)
814{
815 return security_ops->sem_semop(sma, sops, nsops, alter);
816}
817
818void security_d_instantiate(struct dentry *dentry, struct inode *inode)
819{
820 if (unlikely(inode && IS_PRIVATE(inode)))
821 return;
822 security_ops->d_instantiate(dentry, inode);
823}
824EXPORT_SYMBOL(security_d_instantiate);
825
826int security_getprocattr(struct task_struct *p, char *name, char **value)
827{
828 return security_ops->getprocattr(p, name, value);
829}
830
831int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
832{
833 return security_ops->setprocattr(p, name, value, size);
834}
835
836int security_netlink_send(struct sock *sk, struct sk_buff *skb)
837{
838 return security_ops->netlink_send(sk, skb);
839}
James Morris20510f22007-10-16 23:31:32 -0700840
841int security_netlink_recv(struct sk_buff *skb, int cap)
842{
843 return security_ops->netlink_recv(skb, cap);
844}
845EXPORT_SYMBOL(security_netlink_recv);
846
847int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
848{
849 return security_ops->secid_to_secctx(secid, secdata, seclen);
850}
851EXPORT_SYMBOL(security_secid_to_secctx);
852
David Howells63cb3442008-01-15 23:47:35 +0000853int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
854{
855 return security_ops->secctx_to_secid(secdata, seclen, secid);
856}
857EXPORT_SYMBOL(security_secctx_to_secid);
858
James Morris20510f22007-10-16 23:31:32 -0700859void security_release_secctx(char *secdata, u32 seclen)
860{
861 return security_ops->release_secctx(secdata, seclen);
862}
863EXPORT_SYMBOL(security_release_secctx);
864
865#ifdef CONFIG_SECURITY_NETWORK
866
867int security_unix_stream_connect(struct socket *sock, struct socket *other,
868 struct sock *newsk)
869{
870 return security_ops->unix_stream_connect(sock, other, newsk);
871}
872EXPORT_SYMBOL(security_unix_stream_connect);
873
874int security_unix_may_send(struct socket *sock, struct socket *other)
875{
876 return security_ops->unix_may_send(sock, other);
877}
878EXPORT_SYMBOL(security_unix_may_send);
879
880int security_socket_create(int family, int type, int protocol, int kern)
881{
882 return security_ops->socket_create(family, type, protocol, kern);
883}
884
885int security_socket_post_create(struct socket *sock, int family,
886 int type, int protocol, int kern)
887{
888 return security_ops->socket_post_create(sock, family, type,
889 protocol, kern);
890}
891
892int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
893{
894 return security_ops->socket_bind(sock, address, addrlen);
895}
896
897int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
898{
899 return security_ops->socket_connect(sock, address, addrlen);
900}
901
902int security_socket_listen(struct socket *sock, int backlog)
903{
904 return security_ops->socket_listen(sock, backlog);
905}
906
907int security_socket_accept(struct socket *sock, struct socket *newsock)
908{
909 return security_ops->socket_accept(sock, newsock);
910}
911
912void security_socket_post_accept(struct socket *sock, struct socket *newsock)
913{
914 security_ops->socket_post_accept(sock, newsock);
915}
916
917int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
918{
919 return security_ops->socket_sendmsg(sock, msg, size);
920}
921
922int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
923 int size, int flags)
924{
925 return security_ops->socket_recvmsg(sock, msg, size, flags);
926}
927
928int security_socket_getsockname(struct socket *sock)
929{
930 return security_ops->socket_getsockname(sock);
931}
932
933int security_socket_getpeername(struct socket *sock)
934{
935 return security_ops->socket_getpeername(sock);
936}
937
938int security_socket_getsockopt(struct socket *sock, int level, int optname)
939{
940 return security_ops->socket_getsockopt(sock, level, optname);
941}
942
943int security_socket_setsockopt(struct socket *sock, int level, int optname)
944{
945 return security_ops->socket_setsockopt(sock, level, optname);
946}
947
948int security_socket_shutdown(struct socket *sock, int how)
949{
950 return security_ops->socket_shutdown(sock, how);
951}
952
953int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
954{
955 return security_ops->socket_sock_rcv_skb(sk, skb);
956}
957EXPORT_SYMBOL(security_sock_rcv_skb);
958
959int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
960 int __user *optlen, unsigned len)
961{
962 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
963}
964
965int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
966{
967 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
968}
969EXPORT_SYMBOL(security_socket_getpeersec_dgram);
970
971int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
972{
973 return security_ops->sk_alloc_security(sk, family, priority);
974}
975
976void security_sk_free(struct sock *sk)
977{
978 return security_ops->sk_free_security(sk);
979}
980
981void security_sk_clone(const struct sock *sk, struct sock *newsk)
982{
983 return security_ops->sk_clone_security(sk, newsk);
984}
985
986void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
987{
988 security_ops->sk_getsecid(sk, &fl->secid);
989}
990EXPORT_SYMBOL(security_sk_classify_flow);
991
992void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
993{
994 security_ops->req_classify_flow(req, fl);
995}
996EXPORT_SYMBOL(security_req_classify_flow);
997
998void security_sock_graft(struct sock *sk, struct socket *parent)
999{
1000 security_ops->sock_graft(sk, parent);
1001}
1002EXPORT_SYMBOL(security_sock_graft);
1003
1004int security_inet_conn_request(struct sock *sk,
1005 struct sk_buff *skb, struct request_sock *req)
1006{
1007 return security_ops->inet_conn_request(sk, skb, req);
1008}
1009EXPORT_SYMBOL(security_inet_conn_request);
1010
1011void security_inet_csk_clone(struct sock *newsk,
1012 const struct request_sock *req)
1013{
1014 security_ops->inet_csk_clone(newsk, req);
1015}
1016
1017void security_inet_conn_established(struct sock *sk,
1018 struct sk_buff *skb)
1019{
1020 security_ops->inet_conn_established(sk, skb);
1021}
1022
1023#endif /* CONFIG_SECURITY_NETWORK */
1024
1025#ifdef CONFIG_SECURITY_NETWORK_XFRM
1026
1027int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
1028{
1029 return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
1030}
1031EXPORT_SYMBOL(security_xfrm_policy_alloc);
1032
1033int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
1034{
1035 return security_ops->xfrm_policy_clone_security(old, new);
1036}
1037
1038void security_xfrm_policy_free(struct xfrm_policy *xp)
1039{
1040 security_ops->xfrm_policy_free_security(xp);
1041}
1042EXPORT_SYMBOL(security_xfrm_policy_free);
1043
1044int security_xfrm_policy_delete(struct xfrm_policy *xp)
1045{
1046 return security_ops->xfrm_policy_delete_security(xp);
1047}
1048
1049int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1050{
1051 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1052}
1053EXPORT_SYMBOL(security_xfrm_state_alloc);
1054
1055int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1056 struct xfrm_sec_ctx *polsec, u32 secid)
1057{
1058 if (!polsec)
1059 return 0;
1060 /*
1061 * We want the context to be taken from secid which is usually
1062 * from the sock.
1063 */
1064 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1065}
1066
1067int security_xfrm_state_delete(struct xfrm_state *x)
1068{
1069 return security_ops->xfrm_state_delete_security(x);
1070}
1071EXPORT_SYMBOL(security_xfrm_state_delete);
1072
1073void security_xfrm_state_free(struct xfrm_state *x)
1074{
1075 security_ops->xfrm_state_free_security(x);
1076}
1077
1078int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
1079{
1080 return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
1081}
1082
1083int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1084 struct xfrm_policy *xp, struct flowi *fl)
1085{
1086 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1087}
1088
1089int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1090{
1091 return security_ops->xfrm_decode_session(skb, secid, 1);
1092}
1093
1094void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1095{
1096 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1097
1098 BUG_ON(rc);
1099}
1100EXPORT_SYMBOL(security_skb_classify_flow);
1101
1102#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1103
1104#ifdef CONFIG_KEYS
1105
1106int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1107{
1108 return security_ops->key_alloc(key, tsk, flags);
1109}
1110
1111void security_key_free(struct key *key)
1112{
1113 security_ops->key_free(key);
1114}
1115
1116int security_key_permission(key_ref_t key_ref,
1117 struct task_struct *context, key_perm_t perm)
1118{
1119 return security_ops->key_permission(key_ref, context, perm);
1120}
1121
1122#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001123
1124#ifdef CONFIG_AUDIT
1125
1126int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1127{
1128 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1129}
1130
1131int security_audit_rule_known(struct audit_krule *krule)
1132{
1133 return security_ops->audit_rule_known(krule);
1134}
1135
1136void security_audit_rule_free(void *lsmrule)
1137{
1138 security_ops->audit_rule_free(lsmrule);
1139}
1140
1141int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1142 struct audit_context *actx)
1143{
1144 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1145}
1146
1147#endif /* CONFIG_AUDIT */