projects/linux·blob v2.6.31 · refs

1246 lines · 31.0 KiB

1/*
2 * Security plug functions
3 *
4 * Copyright (C) 2001 WireX Communications, Inc <[email protected]>
5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <[email protected]>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <[email protected]>
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
14#include <linux/capability.h>
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
18#include <linux/security.h>
19
20/* Boot-time LSM user choice */
21static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
22
23/* things that live in capability.c */
24extern struct security_operations default_security_ops;
25extern void security_fixup_ops(struct security_operations *ops);
26
27struct security_operations *security_ops; /* Initialized to NULL */
28
29static inline int verify(struct security_operations *ops)
30{
31 /* verify the security_operations structure exists */
32 if (!ops)
33 return -EINVAL;
34 security_fixup_ops(ops);
35 return 0;
36}
37
38static void __init do_security_initcalls(void)
39{
40 initcall_t *call;
41 call = __security_initcall_start;
42 while (call < __security_initcall_end) {
43 (*call) ();
44 call++;
45 }
46}
47
48/**
49 * security_init - initializes the security framework
50 *
51 * This should be called early in the kernel initialization sequence.
52 */
53int __init security_init(void)
54{
55 printk(KERN_INFO "Security Framework initialized\n");
56
57 security_fixup_ops(&default_security_ops);
58 security_ops = &default_security_ops;
59 do_security_initcalls();
60
61 return 0;
62}
63
64/* Save user chosen LSM */
65static int __init choose_lsm(char *str)
66{
67 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
68 return 1;
69}
70__setup("security=", choose_lsm);
71
72/**
73 * security_module_enable - Load given security module on boot ?
74 * @ops: a pointer to the struct security_operations that is to be checked.
75 *
76 * Each LSM must pass this method before registering its own operations
77 * to avoid security registration races. This method may also be used
78 * to check if your LSM is currently loaded during kernel initialization.
79 *
80 * Return true if:
81 * -The passed LSM is the one chosen by user at boot time,
82 * -or user didn't specify a specific LSM and we're the first to ask
83 * for registration permission,
84 * -or the passed LSM is currently loaded.
85 * Otherwise, return false.
86 */
87int __init security_module_enable(struct security_operations *ops)
88{
89 if (!*chosen_lsm)
90 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
91 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
92 return 0;
93
94 return 1;
95}
96
97/**
98 * register_security - registers a security framework with the kernel
99 * @ops: a pointer to the struct security_options that is to be registered
100 *
101 * This function allows a security module to register itself with the
102 * kernel security subsystem. Some rudimentary checking is done on the @ops
103 * value passed to this function. You'll need to check first if your LSM
104 * is allowed to register its @ops by calling security_module_enable(@ops).
105 *
106 * If there is already a security module registered with the kernel,
107 * an error will be returned. Otherwise %0 is returned on success.
108 */
109int register_security(struct security_operations *ops)
110{
111 if (verify(ops)) {
112 printk(KERN_DEBUG "%s could not verify "
113 "security_operations structure.\n", __func__);
114 return -EINVAL;
115 }
116
117 if (security_ops != &default_security_ops)
118 return -EAGAIN;
119
120 security_ops = ops;
121
122 return 0;
123}
124
125/* Security operations */
126
127int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
128{
129 return security_ops->ptrace_may_access(child, mode);
130}
131
132int security_ptrace_traceme(struct task_struct *parent)
133{
134 return security_ops->ptrace_traceme(parent);
135}
136
137int security_capget(struct task_struct *target,
138 kernel_cap_t *effective,
139 kernel_cap_t *inheritable,
140 kernel_cap_t *permitted)
141{
142 return security_ops->capget(target, effective, inheritable, permitted);
143}
144
145int security_capset(struct cred *new, const struct cred *old,
146 const kernel_cap_t *effective,
147 const kernel_cap_t *inheritable,
148 const kernel_cap_t *permitted)
149{
150 return security_ops->capset(new, old,
151 effective, inheritable, permitted);
152}
153
154int security_capable(int cap)
155{
156 return security_ops->capable(current, current_cred(), cap,
157 SECURITY_CAP_AUDIT);
158}
159
160int security_real_capable(struct task_struct *tsk, int cap)
161{
162 const struct cred *cred;
163 int ret;
164
165 cred = get_task_cred(tsk);
166 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
167 put_cred(cred);
168 return ret;
169}
170
171int security_real_capable_noaudit(struct task_struct *tsk, int cap)
172{
173 const struct cred *cred;
174 int ret;
175
176 cred = get_task_cred(tsk);
177 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
178 put_cred(cred);
179 return ret;
180}
181
182int security_acct(struct file *file)
183{
184 return security_ops->acct(file);
185}
186
187int security_sysctl(struct ctl_table *table, int op)
188{
189 return security_ops->sysctl(table, op);
190}
191
192int security_quotactl(int cmds, int type, int id, struct super_block *sb)
193{
194 return security_ops->quotactl(cmds, type, id, sb);
195}
196
197int security_quota_on(struct dentry *dentry)
198{
199 return security_ops->quota_on(dentry);
200}
201
202int security_syslog(int type)
203{
204 return security_ops->syslog(type);
205}
206
207int security_settime(struct timespec *ts, struct timezone *tz)
208{
209 return security_ops->settime(ts, tz);
210}
211
212int security_vm_enough_memory(long pages)
213{
214 WARN_ON(current->mm == NULL);
215 return security_ops->vm_enough_memory(current->mm, pages);
216}
217
218int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
219{
220 WARN_ON(mm == NULL);
221 return security_ops->vm_enough_memory(mm, pages);
222}
223
224int security_vm_enough_memory_kern(long pages)
225{
226 /* If current->mm is a kernel thread then we will pass NULL,
227 for this specific case that is fine */
228 return security_ops->vm_enough_memory(current->mm, pages);
229}
230
231int security_bprm_set_creds(struct linux_binprm *bprm)
232{
233 return security_ops->bprm_set_creds(bprm);
234}
235
236int security_bprm_check(struct linux_binprm *bprm)
237{
238 return security_ops->bprm_check_security(bprm);
239}
240
241void security_bprm_committing_creds(struct linux_binprm *bprm)
242{
243 security_ops->bprm_committing_creds(bprm);
244}
245
246void security_bprm_committed_creds(struct linux_binprm *bprm)
247{
248 security_ops->bprm_committed_creds(bprm);
249}
250
251int security_bprm_secureexec(struct linux_binprm *bprm)
252{
253 return security_ops->bprm_secureexec(bprm);
254}
255
256int security_sb_alloc(struct super_block *sb)
257{
258 return security_ops->sb_alloc_security(sb);
259}
260
261void security_sb_free(struct super_block *sb)
262{
263 security_ops->sb_free_security(sb);
264}
265
266int security_sb_copy_data(char *orig, char *copy)
267{
268 return security_ops->sb_copy_data(orig, copy);
269}
270EXPORT_SYMBOL(security_sb_copy_data);
271
272int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
273{
274 return security_ops->sb_kern_mount(sb, flags, data);
275}
276
277int security_sb_show_options(struct seq_file *m, struct super_block *sb)
278{
279 return security_ops->sb_show_options(m, sb);
280}
281
282int security_sb_statfs(struct dentry *dentry)
283{
284 return security_ops->sb_statfs(dentry);
285}
286
287int security_sb_mount(char *dev_name, struct path *path,
288 char *type, unsigned long flags, void *data)
289{
290 return security_ops->sb_mount(dev_name, path, type, flags, data);
291}
292
293int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
294{
295 return security_ops->sb_check_sb(mnt, path);
296}
297
298int security_sb_umount(struct vfsmount *mnt, int flags)
299{
300 return security_ops->sb_umount(mnt, flags);
301}
302
303void security_sb_umount_close(struct vfsmount *mnt)
304{
305 security_ops->sb_umount_close(mnt);
306}
307
308void security_sb_umount_busy(struct vfsmount *mnt)
309{
310 security_ops->sb_umount_busy(mnt);
311}
312
313void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
314{
315 security_ops->sb_post_remount(mnt, flags, data);
316}
317
318void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
319{
320 security_ops->sb_post_addmount(mnt, mountpoint);
321}
322
323int security_sb_pivotroot(struct path *old_path, struct path *new_path)
324{
325 return security_ops->sb_pivotroot(old_path, new_path);
326}
327
328void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
329{
330 security_ops->sb_post_pivotroot(old_path, new_path);
331}
332
333int security_sb_set_mnt_opts(struct super_block *sb,
334 struct security_mnt_opts *opts)
335{
336 return security_ops->sb_set_mnt_opts(sb, opts);
337}
338EXPORT_SYMBOL(security_sb_set_mnt_opts);
339
340void security_sb_clone_mnt_opts(const struct super_block *oldsb,
341 struct super_block *newsb)
342{
343 security_ops->sb_clone_mnt_opts(oldsb, newsb);
344}
345EXPORT_SYMBOL(security_sb_clone_mnt_opts);
346
347int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
348{
349 return security_ops->sb_parse_opts_str(options, opts);
350}
351EXPORT_SYMBOL(security_sb_parse_opts_str);
352
353int security_inode_alloc(struct inode *inode)
354{
355 inode->i_security = NULL;
356 return security_ops->inode_alloc_security(inode);
357}
358
359void security_inode_free(struct inode *inode)
360{
361 security_ops->inode_free_security(inode);
362}
363
364int security_inode_init_security(struct inode *inode, struct inode *dir,
365 char **name, void **value, size_t *len)
366{
367 if (unlikely(IS_PRIVATE(inode)))
368 return -EOPNOTSUPP;
369 return security_ops->inode_init_security(inode, dir, name, value, len);
370}
371EXPORT_SYMBOL(security_inode_init_security);
372
373#ifdef CONFIG_SECURITY_PATH
374int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
375 unsigned int dev)
376{
377 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
378 return 0;
379 return security_ops->path_mknod(path, dentry, mode, dev);
380}
381EXPORT_SYMBOL(security_path_mknod);
382
383int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
384{
385 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
386 return 0;
387 return security_ops->path_mkdir(path, dentry, mode);
388}
389
390int security_path_rmdir(struct path *path, struct dentry *dentry)
391{
392 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
393 return 0;
394 return security_ops->path_rmdir(path, dentry);
395}
396
397int security_path_unlink(struct path *path, struct dentry *dentry)
398{
399 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
400 return 0;
401 return security_ops->path_unlink(path, dentry);
402}
403
404int security_path_symlink(struct path *path, struct dentry *dentry,
405 const char *old_name)
406{
407 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
408 return 0;
409 return security_ops->path_symlink(path, dentry, old_name);
410}
411
412int security_path_link(struct dentry *old_dentry, struct path *new_dir,
413 struct dentry *new_dentry)
414{
415 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
416 return 0;
417 return security_ops->path_link(old_dentry, new_dir, new_dentry);
418}
419
420int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
421 struct path *new_dir, struct dentry *new_dentry)
422{
423 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
424 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
425 return 0;
426 return security_ops->path_rename(old_dir, old_dentry, new_dir,
427 new_dentry);
428}
429
430int security_path_truncate(struct path *path, loff_t length,
431 unsigned int time_attrs)
432{
433 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
434 return 0;
435 return security_ops->path_truncate(path, length, time_attrs);
436}
437#endif
438
439int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
440{
441 if (unlikely(IS_PRIVATE(dir)))
442 return 0;
443 return security_ops->inode_create(dir, dentry, mode);
444}
445EXPORT_SYMBOL_GPL(security_inode_create);
446
447int security_inode_link(struct dentry *old_dentry, struct inode *dir,
448 struct dentry *new_dentry)
449{
450 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
451 return 0;
452 return security_ops->inode_link(old_dentry, dir, new_dentry);
453}
454
455int security_inode_unlink(struct inode *dir, struct dentry *dentry)
456{
457 if (unlikely(IS_PRIVATE(dentry->d_inode)))
458 return 0;
459 return security_ops->inode_unlink(dir, dentry);
460}
461
462int security_inode_symlink(struct inode *dir, struct dentry *dentry,
463 const char *old_name)
464{
465 if (unlikely(IS_PRIVATE(dir)))
466 return 0;
467 return security_ops->inode_symlink(dir, dentry, old_name);
468}
469
470int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
471{
472 if (unlikely(IS_PRIVATE(dir)))
473 return 0;
474 return security_ops->inode_mkdir(dir, dentry, mode);
475}
476EXPORT_SYMBOL_GPL(security_inode_mkdir);
477
478int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
479{
480 if (unlikely(IS_PRIVATE(dentry->d_inode)))
481 return 0;
482 return security_ops->inode_rmdir(dir, dentry);
483}
484
485int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
486{
487 if (unlikely(IS_PRIVATE(dir)))
488 return 0;
489 return security_ops->inode_mknod(dir, dentry, mode, dev);
490}
491
492int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
493 struct inode *new_dir, struct dentry *new_dentry)
494{
495 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
496 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
497 return 0;
498 return security_ops->inode_rename(old_dir, old_dentry,
499 new_dir, new_dentry);
500}
501
502int security_inode_readlink(struct dentry *dentry)
503{
504 if (unlikely(IS_PRIVATE(dentry->d_inode)))
505 return 0;
506 return security_ops->inode_readlink(dentry);
507}
508
509int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
510{
511 if (unlikely(IS_PRIVATE(dentry->d_inode)))
512 return 0;
513 return security_ops->inode_follow_link(dentry, nd);
514}
515
516int security_inode_permission(struct inode *inode, int mask)
517{
518 if (unlikely(IS_PRIVATE(inode)))
519 return 0;
520 return security_ops->inode_permission(inode, mask);
521}
522
523int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
524{
525 if (unlikely(IS_PRIVATE(dentry->d_inode)))
526 return 0;
527 return security_ops->inode_setattr(dentry, attr);
528}
529EXPORT_SYMBOL_GPL(security_inode_setattr);
530
531int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
532{
533 if (unlikely(IS_PRIVATE(dentry->d_inode)))
534 return 0;
535 return security_ops->inode_getattr(mnt, dentry);
536}
537
538void security_inode_delete(struct inode *inode)
539{
540 if (unlikely(IS_PRIVATE(inode)))
541 return;
542 security_ops->inode_delete(inode);
543}
544
545int security_inode_setxattr(struct dentry *dentry, const char *name,
546 const void *value, size_t size, int flags)
547{
548 if (unlikely(IS_PRIVATE(dentry->d_inode)))
549 return 0;
550 return security_ops->inode_setxattr(dentry, name, value, size, flags);
551}
552
553void security_inode_post_setxattr(struct dentry *dentry, const char *name,
554 const void *value, size_t size, int flags)
555{
556 if (unlikely(IS_PRIVATE(dentry->d_inode)))
557 return;
558 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
559}
560
561int security_inode_getxattr(struct dentry *dentry, const char *name)
562{
563 if (unlikely(IS_PRIVATE(dentry->d_inode)))
564 return 0;
565 return security_ops->inode_getxattr(dentry, name);
566}
567
568int security_inode_listxattr(struct dentry *dentry)
569{
570 if (unlikely(IS_PRIVATE(dentry->d_inode)))
571 return 0;
572 return security_ops->inode_listxattr(dentry);
573}
574
575int security_inode_removexattr(struct dentry *dentry, const char *name)
576{
577 if (unlikely(IS_PRIVATE(dentry->d_inode)))
578 return 0;
579 return security_ops->inode_removexattr(dentry, name);
580}
581
582int security_inode_need_killpriv(struct dentry *dentry)
583{
584 return security_ops->inode_need_killpriv(dentry);
585}
586
587int security_inode_killpriv(struct dentry *dentry)
588{
589 return security_ops->inode_killpriv(dentry);
590}
591
592int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
593{
594 if (unlikely(IS_PRIVATE(inode)))
595 return 0;
596 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
597}
598
599int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
600{
601 if (unlikely(IS_PRIVATE(inode)))
602 return 0;
603 return security_ops->inode_setsecurity(inode, name, value, size, flags);
604}
605
606int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
607{
608 if (unlikely(IS_PRIVATE(inode)))
609 return 0;
610 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
611}
612
613void security_inode_getsecid(const struct inode *inode, u32 *secid)
614{
615 security_ops->inode_getsecid(inode, secid);
616}
617
618int security_file_permission(struct file *file, int mask)
619{
620 return security_ops->file_permission(file, mask);
621}
622
623int security_file_alloc(struct file *file)
624{
625 return security_ops->file_alloc_security(file);
626}
627
628void security_file_free(struct file *file)
629{
630 security_ops->file_free_security(file);
631}
632
633int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
634{
635 return security_ops->file_ioctl(file, cmd, arg);
636}
637
638int security_file_mmap(struct file *file, unsigned long reqprot,
639 unsigned long prot, unsigned long flags,
640 unsigned long addr, unsigned long addr_only)
641{
642 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
643}
644
645int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
646 unsigned long prot)
647{
648 return security_ops->file_mprotect(vma, reqprot, prot);
649}
650
651int security_file_lock(struct file *file, unsigned int cmd)
652{
653 return security_ops->file_lock(file, cmd);
654}
655
656int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
657{
658 return security_ops->file_fcntl(file, cmd, arg);
659}
660
661int security_file_set_fowner(struct file *file)
662{
663 return security_ops->file_set_fowner(file);
664}
665
666int security_file_send_sigiotask(struct task_struct *tsk,
667 struct fown_struct *fown, int sig)
668{
669 return security_ops->file_send_sigiotask(tsk, fown, sig);
670}
671
672int security_file_receive(struct file *file)
673{
674 return security_ops->file_receive(file);
675}
676
677int security_dentry_open(struct file *file, const struct cred *cred)
678{
679 return security_ops->dentry_open(file, cred);
680}
681
682int security_task_create(unsigned long clone_flags)
683{
684 return security_ops->task_create(clone_flags);
685}
686
687void security_cred_free(struct cred *cred)
688{
689 security_ops->cred_free(cred);
690}
691
692int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
693{
694 return security_ops->cred_prepare(new, old, gfp);
695}
696
697void security_commit_creds(struct cred *new, const struct cred *old)
698{
699 security_ops->cred_commit(new, old);
700}
701
702int security_kernel_act_as(struct cred *new, u32 secid)
703{
704 return security_ops->kernel_act_as(new, secid);
705}
706
707int security_kernel_create_files_as(struct cred *new, struct inode *inode)
708{
709 return security_ops->kernel_create_files_as(new, inode);
710}
711
712int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
713{
714 return security_ops->task_setuid(id0, id1, id2, flags);
715}
716
717int security_task_fix_setuid(struct cred *new, const struct cred *old,
718 int flags)
719{
720 return security_ops->task_fix_setuid(new, old, flags);
721}
722
723int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
724{
725 return security_ops->task_setgid(id0, id1, id2, flags);
726}
727
728int security_task_setpgid(struct task_struct *p, pid_t pgid)
729{
730 return security_ops->task_setpgid(p, pgid);
731}
732
733int security_task_getpgid(struct task_struct *p)
734{
735 return security_ops->task_getpgid(p);
736}
737
738int security_task_getsid(struct task_struct *p)
739{
740 return security_ops->task_getsid(p);
741}
742
743void security_task_getsecid(struct task_struct *p, u32 *secid)
744{
745 security_ops->task_getsecid(p, secid);
746}
747EXPORT_SYMBOL(security_task_getsecid);
748
749int security_task_setgroups(struct group_info *group_info)
750{
751 return security_ops->task_setgroups(group_info);
752}
753
754int security_task_setnice(struct task_struct *p, int nice)
755{
756 return security_ops->task_setnice(p, nice);
757}
758
759int security_task_setioprio(struct task_struct *p, int ioprio)
760{
761 return security_ops->task_setioprio(p, ioprio);
762}
763
764int security_task_getioprio(struct task_struct *p)
765{
766 return security_ops->task_getioprio(p);
767}
768
769int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
770{
771 return security_ops->task_setrlimit(resource, new_rlim);
772}
773
774int security_task_setscheduler(struct task_struct *p,
775 int policy, struct sched_param *lp)
776{
777 return security_ops->task_setscheduler(p, policy, lp);
778}
779
780int security_task_getscheduler(struct task_struct *p)
781{
782 return security_ops->task_getscheduler(p);
783}
784
785int security_task_movememory(struct task_struct *p)
786{
787 return security_ops->task_movememory(p);
788}
789
790int security_task_kill(struct task_struct *p, struct siginfo *info,
791 int sig, u32 secid)
792{
793 return security_ops->task_kill(p, info, sig, secid);
794}
795
796int security_task_wait(struct task_struct *p)
797{
798 return security_ops->task_wait(p);
799}
800
801int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
802 unsigned long arg4, unsigned long arg5)
803{
804 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
805}
806
807void security_task_to_inode(struct task_struct *p, struct inode *inode)
808{
809 security_ops->task_to_inode(p, inode);
810}
811
812int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
813{
814 return security_ops->ipc_permission(ipcp, flag);
815}
816
817void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
818{
819 security_ops->ipc_getsecid(ipcp, secid);
820}
821
822int security_msg_msg_alloc(struct msg_msg *msg)
823{
824 return security_ops->msg_msg_alloc_security(msg);
825}
826
827void security_msg_msg_free(struct msg_msg *msg)
828{
829 security_ops->msg_msg_free_security(msg);
830}
831
832int security_msg_queue_alloc(struct msg_queue *msq)
833{
834 return security_ops->msg_queue_alloc_security(msq);
835}
836
837void security_msg_queue_free(struct msg_queue *msq)
838{
839 security_ops->msg_queue_free_security(msq);
840}
841
842int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
843{
844 return security_ops->msg_queue_associate(msq, msqflg);
845}
846
847int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
848{
849 return security_ops->msg_queue_msgctl(msq, cmd);
850}
851
852int security_msg_queue_msgsnd(struct msg_queue *msq,
853 struct msg_msg *msg, int msqflg)
854{
855 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
856}
857
858int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
859 struct task_struct *target, long type, int mode)
860{
861 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
862}
863
864int security_shm_alloc(struct shmid_kernel *shp)
865{
866 return security_ops->shm_alloc_security(shp);
867}
868
869void security_shm_free(struct shmid_kernel *shp)
870{
871 security_ops->shm_free_security(shp);
872}
873
874int security_shm_associate(struct shmid_kernel *shp, int shmflg)
875{
876 return security_ops->shm_associate(shp, shmflg);
877}
878
879int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
880{
881 return security_ops->shm_shmctl(shp, cmd);
882}
883
884int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
885{
886 return security_ops->shm_shmat(shp, shmaddr, shmflg);
887}
888
889int security_sem_alloc(struct sem_array *sma)
890{
891 return security_ops->sem_alloc_security(sma);
892}
893
894void security_sem_free(struct sem_array *sma)
895{
896 security_ops->sem_free_security(sma);
897}
898
899int security_sem_associate(struct sem_array *sma, int semflg)
900{
901 return security_ops->sem_associate(sma, semflg);
902}
903
904int security_sem_semctl(struct sem_array *sma, int cmd)
905{
906 return security_ops->sem_semctl(sma, cmd);
907}
908
909int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
910 unsigned nsops, int alter)
911{
912 return security_ops->sem_semop(sma, sops, nsops, alter);
913}
914
915void security_d_instantiate(struct dentry *dentry, struct inode *inode)
916{
917 if (unlikely(inode && IS_PRIVATE(inode)))
918 return;
919 security_ops->d_instantiate(dentry, inode);
920}
921EXPORT_SYMBOL(security_d_instantiate);
922
923int security_getprocattr(struct task_struct *p, char *name, char **value)
924{
925 return security_ops->getprocattr(p, name, value);
926}
927
928int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
929{
930 return security_ops->setprocattr(p, name, value, size);
931}
932
933int security_netlink_send(struct sock *sk, struct sk_buff *skb)
934{
935 return security_ops->netlink_send(sk, skb);
936}
937
938int security_netlink_recv(struct sk_buff *skb, int cap)
939{
940 return security_ops->netlink_recv(skb, cap);
941}
942EXPORT_SYMBOL(security_netlink_recv);
943
944int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
945{
946 return security_ops->secid_to_secctx(secid, secdata, seclen);
947}
948EXPORT_SYMBOL(security_secid_to_secctx);
949
950int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
951{
952 return security_ops->secctx_to_secid(secdata, seclen, secid);
953}
954EXPORT_SYMBOL(security_secctx_to_secid);
955
956void security_release_secctx(char *secdata, u32 seclen)
957{
958 security_ops->release_secctx(secdata, seclen);
959}
960EXPORT_SYMBOL(security_release_secctx);
961
962#ifdef CONFIG_SECURITY_NETWORK
963
964int security_unix_stream_connect(struct socket *sock, struct socket *other,
965 struct sock *newsk)
966{
967 return security_ops->unix_stream_connect(sock, other, newsk);
968}
969EXPORT_SYMBOL(security_unix_stream_connect);
970
971int security_unix_may_send(struct socket *sock, struct socket *other)
972{
973 return security_ops->unix_may_send(sock, other);
974}
975EXPORT_SYMBOL(security_unix_may_send);
976
977int security_socket_create(int family, int type, int protocol, int kern)
978{
979 return security_ops->socket_create(family, type, protocol, kern);
980}
981
982int security_socket_post_create(struct socket *sock, int family,
983 int type, int protocol, int kern)
984{
985 return security_ops->socket_post_create(sock, family, type,
986 protocol, kern);
987}
988
989int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
990{
991 return security_ops->socket_bind(sock, address, addrlen);
992}
993
994int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
995{
996 return security_ops->socket_connect(sock, address, addrlen);
997}
998
999int security_socket_listen(struct socket *sock, int backlog)
1000{
1001 return security_ops->socket_listen(sock, backlog);
1002}
1003
1004int security_socket_accept(struct socket *sock, struct socket *newsock)
1005{
1006 return security_ops->socket_accept(sock, newsock);
1007}
1008
1009int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1010{
1011 return security_ops->socket_sendmsg(sock, msg, size);
1012}
1013
1014int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1015 int size, int flags)
1016{
1017 return security_ops->socket_recvmsg(sock, msg, size, flags);
1018}
1019
1020int security_socket_getsockname(struct socket *sock)
1021{
1022 return security_ops->socket_getsockname(sock);
1023}
1024
1025int security_socket_getpeername(struct socket *sock)
1026{
1027 return security_ops->socket_getpeername(sock);
1028}
1029
1030int security_socket_getsockopt(struct socket *sock, int level, int optname)
1031{
1032 return security_ops->socket_getsockopt(sock, level, optname);
1033}
1034
1035int security_socket_setsockopt(struct socket *sock, int level, int optname)
1036{
1037 return security_ops->socket_setsockopt(sock, level, optname);
1038}
1039
1040int security_socket_shutdown(struct socket *sock, int how)
1041{
1042 return security_ops->socket_shutdown(sock, how);
1043}
1044
1045int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1046{
1047 return security_ops->socket_sock_rcv_skb(sk, skb);
1048}
1049EXPORT_SYMBOL(security_sock_rcv_skb);
1050
1051int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1052 int __user *optlen, unsigned len)
1053{
1054 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1055}
1056
1057int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1058{
1059 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1060}
1061EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1062
1063int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1064{
1065 return security_ops->sk_alloc_security(sk, family, priority);
1066}
1067
1068void security_sk_free(struct sock *sk)
1069{
1070 security_ops->sk_free_security(sk);
1071}
1072
1073void security_sk_clone(const struct sock *sk, struct sock *newsk)
1074{
1075 security_ops->sk_clone_security(sk, newsk);
1076}
1077
1078void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1079{
1080 security_ops->sk_getsecid(sk, &fl->secid);
1081}
1082EXPORT_SYMBOL(security_sk_classify_flow);
1083
1084void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1085{
1086 security_ops->req_classify_flow(req, fl);
1087}
1088EXPORT_SYMBOL(security_req_classify_flow);
1089
1090void security_sock_graft(struct sock *sk, struct socket *parent)
1091{
1092 security_ops->sock_graft(sk, parent);
1093}
1094EXPORT_SYMBOL(security_sock_graft);
1095
1096int security_inet_conn_request(struct sock *sk,
1097 struct sk_buff *skb, struct request_sock *req)
1098{
1099 return security_ops->inet_conn_request(sk, skb, req);
1100}
1101EXPORT_SYMBOL(security_inet_conn_request);
1102
1103void security_inet_csk_clone(struct sock *newsk,
1104 const struct request_sock *req)
1105{
1106 security_ops->inet_csk_clone(newsk, req);
1107}
1108
1109void security_inet_conn_established(struct sock *sk,
1110 struct sk_buff *skb)
1111{
1112 security_ops->inet_conn_established(sk, skb);
1113}
1114
1115#endif /* CONFIG_SECURITY_NETWORK */
1116
1117#ifdef CONFIG_SECURITY_NETWORK_XFRM
1118
1119int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1120{
1121 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1122}
1123EXPORT_SYMBOL(security_xfrm_policy_alloc);
1124
1125int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1126 struct xfrm_sec_ctx **new_ctxp)
1127{
1128 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1129}
1130
1131void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1132{
1133 security_ops->xfrm_policy_free_security(ctx);
1134}
1135EXPORT_SYMBOL(security_xfrm_policy_free);
1136
1137int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1138{
1139 return security_ops->xfrm_policy_delete_security(ctx);
1140}
1141
1142int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1143{
1144 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1145}
1146EXPORT_SYMBOL(security_xfrm_state_alloc);
1147
1148int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1149 struct xfrm_sec_ctx *polsec, u32 secid)
1150{
1151 if (!polsec)
1152 return 0;
1153 /*
1154 * We want the context to be taken from secid which is usually
1155 * from the sock.
1156 */
1157 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1158}
1159
1160int security_xfrm_state_delete(struct xfrm_state *x)
1161{
1162 return security_ops->xfrm_state_delete_security(x);
1163}
1164EXPORT_SYMBOL(security_xfrm_state_delete);
1165
1166void security_xfrm_state_free(struct xfrm_state *x)
1167{
1168 security_ops->xfrm_state_free_security(x);
1169}
1170
1171int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1172{
1173 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1174}
1175
1176int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1177 struct xfrm_policy *xp, struct flowi *fl)
1178{
1179 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1180}
1181
1182int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1183{
1184 return security_ops->xfrm_decode_session(skb, secid, 1);
1185}
1186
1187void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1188{
1189 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1190
1191 BUG_ON(rc);
1192}
1193EXPORT_SYMBOL(security_skb_classify_flow);
1194
1195#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1196
1197#ifdef CONFIG_KEYS
1198
1199int security_key_alloc(struct key *key, const struct cred *cred,
1200 unsigned long flags)
1201{
1202 return security_ops->key_alloc(key, cred, flags);
1203}
1204
1205void security_key_free(struct key *key)
1206{
1207 security_ops->key_free(key);
1208}
1209
1210int security_key_permission(key_ref_t key_ref,
1211 const struct cred *cred, key_perm_t perm)
1212{
1213 return security_ops->key_permission(key_ref, cred, perm);
1214}
1215
1216int security_key_getsecurity(struct key *key, char **_buffer)
1217{
1218 return security_ops->key_getsecurity(key, _buffer);
1219}
1220
1221#endif /* CONFIG_KEYS */
1222
1223#ifdef CONFIG_AUDIT
1224
1225int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1226{
1227 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1228}
1229
1230int security_audit_rule_known(struct audit_krule *krule)
1231{
1232 return security_ops->audit_rule_known(krule);
1233}
1234
1235void security_audit_rule_free(void *lsmrule)
1236{
1237 security_ops->audit_rule_free(lsmrule);
1238}
1239
1240int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1241 struct audit_context *actx)
1242{
1243 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1244}
1245
1246#endif /* CONFIG_AUDIT */