]> bbs.cooldavid.org Git - net-next-2.6.git/blame - security/security.c
LSM/SELinux: show LSM mount options in /proc/mounts
[net-next-2.6.git] / security / security.c
CommitLineData
1da177e4
LT
1/*
2 * Security plug functions
3 *
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
c59ede7b 14#include <linux/capability.h>
1da177e4
LT
15#include <linux/module.h>
16#include <linux/init.h>
17#include <linux/kernel.h>
1da177e4
LT
18#include <linux/security.h>
19
076c54c5
AD
20/* Boot-time LSM user choice */
21static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
1da177e4
LT
22
23/* things that live in dummy.c */
24extern struct security_operations dummy_security_ops;
25extern void security_fixup_ops(struct security_operations *ops);
26
27struct security_operations *security_ops; /* Initialized to NULL */
a5ecbcb8
EP
28
29/* amount of vm to protect from userspace access */
30unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
1da177e4
LT
31
32static inline int verify(struct security_operations *ops)
33{
34 /* verify the security_operations structure exists */
35 if (!ops)
36 return -EINVAL;
37 security_fixup_ops(ops);
38 return 0;
39}
40
41static void __init do_security_initcalls(void)
42{
43 initcall_t *call;
44 call = __security_initcall_start;
45 while (call < __security_initcall_end) {
46 (*call) ();
47 call++;
48 }
49}
50
51/**
52 * security_init - initializes the security framework
53 *
54 * This should be called early in the kernel initialization sequence.
55 */
56int __init security_init(void)
57{
20510f2f 58 printk(KERN_INFO "Security Framework initialized\n");
1da177e4
LT
59
60 if (verify(&dummy_security_ops)) {
61 printk(KERN_ERR "%s could not verify "
dd6f953a 62 "dummy_security_ops structure.\n", __func__);
1da177e4
LT
63 return -EIO;
64 }
65
66 security_ops = &dummy_security_ops;
67 do_security_initcalls();
68
69 return 0;
70}
71
076c54c5
AD
72/* Save user chosen LSM */
73static int __init choose_lsm(char *str)
74{
75 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
76 return 1;
77}
78__setup("security=", choose_lsm);
79
80/**
81 * security_module_enable - Load given security module on boot ?
82 * @ops: a pointer to the struct security_operations that is to be checked.
83 *
84 * Each LSM must pass this method before registering its own operations
85 * to avoid security registration races. This method may also be used
7cea51be 86 * to check if your LSM is currently loaded during kernel initialization.
076c54c5
AD
87 *
88 * Return true if:
89 * -The passed LSM is the one chosen by user at boot time,
90 * -or user didsn't specify a specific LSM and we're the first to ask
91 * for registeration permissoin,
92 * -or the passed LSM is currently loaded.
93 * Otherwise, return false.
94 */
95int __init security_module_enable(struct security_operations *ops)
96{
97 if (!*chosen_lsm)
98 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
99 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
100 return 0;
101
102 return 1;
103}
104
1da177e4
LT
105/**
106 * register_security - registers a security framework with the kernel
107 * @ops: a pointer to the struct security_options that is to be registered
108 *
109 * This function is to allow a security module to register itself with the
110 * kernel security subsystem. Some rudimentary checking is done on the @ops
076c54c5
AD
111 * value passed to this function. You'll need to check first if your LSM
112 * is allowed to register its @ops by calling security_module_enable(@ops).
1da177e4
LT
113 *
114 * If there is already a security module registered with the kernel,
115 * an error will be returned. Otherwise 0 is returned on success.
116 */
117int register_security(struct security_operations *ops)
118{
119 if (verify(ops)) {
120 printk(KERN_DEBUG "%s could not verify "
dd6f953a 121 "security_operations structure.\n", __func__);
1da177e4
LT
122 return -EINVAL;
123 }
124
125 if (security_ops != &dummy_security_ops)
126 return -EAGAIN;
127
128 security_ops = ops;
129
130 return 0;
131}
132
1da177e4
LT
133/**
134 * mod_reg_security - allows security modules to be "stacked"
135 * @name: a pointer to a string with the name of the security_options to be registered
136 * @ops: a pointer to the struct security_options that is to be registered
137 *
138 * This function allows security modules to be stacked if the currently loaded
139 * security module allows this to happen. It passes the @name and @ops to the
140 * register_security function of the currently loaded security module.
141 *
142 * The return value depends on the currently loaded security module, with 0 as
143 * success.
144 */
145int mod_reg_security(const char *name, struct security_operations *ops)
146{
147 if (verify(ops)) {
148 printk(KERN_INFO "%s could not verify "
dd6f953a 149 "security operations.\n", __func__);
1da177e4
LT
150 return -EINVAL;
151 }
152
153 if (ops == security_ops) {
154 printk(KERN_INFO "%s security operations "
dd6f953a 155 "already registered.\n", __func__);
1da177e4
LT
156 return -EINVAL;
157 }
158
159 return security_ops->register_security(name, ops);
160}
161
20510f2f
JM
162/* Security operations */
163
006ebb40
SS
164int security_ptrace(struct task_struct *parent, struct task_struct *child,
165 unsigned int mode)
20510f2f 166{
006ebb40 167 return security_ops->ptrace(parent, child, mode);
20510f2f
JM
168}
169
170int security_capget(struct task_struct *target,
171 kernel_cap_t *effective,
172 kernel_cap_t *inheritable,
173 kernel_cap_t *permitted)
174{
175 return security_ops->capget(target, effective, inheritable, permitted);
176}
177
178int security_capset_check(struct task_struct *target,
179 kernel_cap_t *effective,
180 kernel_cap_t *inheritable,
181 kernel_cap_t *permitted)
182{
183 return security_ops->capset_check(target, effective, inheritable, permitted);
184}
185
186void security_capset_set(struct task_struct *target,
187 kernel_cap_t *effective,
188 kernel_cap_t *inheritable,
189 kernel_cap_t *permitted)
190{
191 security_ops->capset_set(target, effective, inheritable, permitted);
192}
193
194int security_capable(struct task_struct *tsk, int cap)
195{
196 return security_ops->capable(tsk, cap);
197}
198
199int security_acct(struct file *file)
200{
201 return security_ops->acct(file);
202}
203
204int security_sysctl(struct ctl_table *table, int op)
205{
206 return security_ops->sysctl(table, op);
207}
208
209int security_quotactl(int cmds, int type, int id, struct super_block *sb)
210{
211 return security_ops->quotactl(cmds, type, id, sb);
212}
213
214int security_quota_on(struct dentry *dentry)
215{
216 return security_ops->quota_on(dentry);
217}
218
219int security_syslog(int type)
220{
221 return security_ops->syslog(type);
222}
223
224int security_settime(struct timespec *ts, struct timezone *tz)
225{
226 return security_ops->settime(ts, tz);
227}
228
229int security_vm_enough_memory(long pages)
230{
231 return security_ops->vm_enough_memory(current->mm, pages);
232}
233
234int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
235{
236 return security_ops->vm_enough_memory(mm, pages);
237}
238
239int security_bprm_alloc(struct linux_binprm *bprm)
240{
241 return security_ops->bprm_alloc_security(bprm);
242}
243
244void security_bprm_free(struct linux_binprm *bprm)
245{
246 security_ops->bprm_free_security(bprm);
247}
248
249void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
250{
251 security_ops->bprm_apply_creds(bprm, unsafe);
252}
253
254void security_bprm_post_apply_creds(struct linux_binprm *bprm)
255{
256 security_ops->bprm_post_apply_creds(bprm);
257}
258
259int security_bprm_set(struct linux_binprm *bprm)
260{
261 return security_ops->bprm_set_security(bprm);
262}
263
264int security_bprm_check(struct linux_binprm *bprm)
265{
266 return security_ops->bprm_check_security(bprm);
267}
268
269int security_bprm_secureexec(struct linux_binprm *bprm)
270{
271 return security_ops->bprm_secureexec(bprm);
272}
273
274int security_sb_alloc(struct super_block *sb)
275{
276 return security_ops->sb_alloc_security(sb);
277}
278
279void security_sb_free(struct super_block *sb)
280{
281 security_ops->sb_free_security(sb);
282}
283
e0007529 284int security_sb_copy_data(char *orig, char *copy)
20510f2f 285{
e0007529 286 return security_ops->sb_copy_data(orig, copy);
20510f2f 287}
e0007529 288EXPORT_SYMBOL(security_sb_copy_data);
20510f2f
JM
289
290int security_sb_kern_mount(struct super_block *sb, void *data)
291{
292 return security_ops->sb_kern_mount(sb, data);
293}
294
2069f457
EP
295int security_sb_show_options(struct seq_file *m, struct super_block *sb)
296{
297 return security_ops->sb_show_options(m, sb);
298}
299
20510f2f
JM
300int security_sb_statfs(struct dentry *dentry)
301{
302 return security_ops->sb_statfs(dentry);
303}
304
b5266eb4 305int security_sb_mount(char *dev_name, struct path *path,
20510f2f
JM
306 char *type, unsigned long flags, void *data)
307{
b5266eb4 308 return security_ops->sb_mount(dev_name, path, type, flags, data);
20510f2f
JM
309}
310
b5266eb4 311int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
20510f2f 312{
b5266eb4 313 return security_ops->sb_check_sb(mnt, path);
20510f2f
JM
314}
315
316int security_sb_umount(struct vfsmount *mnt, int flags)
317{
318 return security_ops->sb_umount(mnt, flags);
319}
320
321void security_sb_umount_close(struct vfsmount *mnt)
322{
323 security_ops->sb_umount_close(mnt);
324}
325
326void security_sb_umount_busy(struct vfsmount *mnt)
327{
328 security_ops->sb_umount_busy(mnt);
329}
330
331void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
332{
333 security_ops->sb_post_remount(mnt, flags, data);
334}
335
b5266eb4 336void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
20510f2f 337{
b5266eb4 338 security_ops->sb_post_addmount(mnt, mountpoint);
20510f2f
JM
339}
340
b5266eb4 341int security_sb_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 342{
b5266eb4 343 return security_ops->sb_pivotroot(old_path, new_path);
20510f2f
JM
344}
345
b5266eb4 346void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
20510f2f 347{
b5266eb4 348 security_ops->sb_post_pivotroot(old_path, new_path);
20510f2f
JM
349}
350
c9180a57 351int security_sb_get_mnt_opts(const struct super_block *sb,
e0007529 352 struct security_mnt_opts *opts)
c9180a57 353{
e0007529 354 return security_ops->sb_get_mnt_opts(sb, opts);
c9180a57
EP
355}
356
357int security_sb_set_mnt_opts(struct super_block *sb,
e0007529 358 struct security_mnt_opts *opts)
c9180a57 359{
e0007529 360 return security_ops->sb_set_mnt_opts(sb, opts);
c9180a57 361}
e0007529 362EXPORT_SYMBOL(security_sb_set_mnt_opts);
c9180a57
EP
363
364void security_sb_clone_mnt_opts(const struct super_block *oldsb,
365 struct super_block *newsb)
366{
367 security_ops->sb_clone_mnt_opts(oldsb, newsb);
368}
e0007529
EP
369EXPORT_SYMBOL(security_sb_clone_mnt_opts);
370
371int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
372{
373 return security_ops->sb_parse_opts_str(options, opts);
374}
375EXPORT_SYMBOL(security_sb_parse_opts_str);
c9180a57 376
20510f2f
JM
377int security_inode_alloc(struct inode *inode)
378{
379 inode->i_security = NULL;
380 return security_ops->inode_alloc_security(inode);
381}
382
383void security_inode_free(struct inode *inode)
384{
385 security_ops->inode_free_security(inode);
386}
387
388int security_inode_init_security(struct inode *inode, struct inode *dir,
389 char **name, void **value, size_t *len)
390{
391 if (unlikely(IS_PRIVATE(inode)))
392 return -EOPNOTSUPP;
393 return security_ops->inode_init_security(inode, dir, name, value, len);
394}
395EXPORT_SYMBOL(security_inode_init_security);
396
397int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
398{
399 if (unlikely(IS_PRIVATE(dir)))
400 return 0;
401 return security_ops->inode_create(dir, dentry, mode);
402}
403
404int security_inode_link(struct dentry *old_dentry, struct inode *dir,
405 struct dentry *new_dentry)
406{
407 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
408 return 0;
409 return security_ops->inode_link(old_dentry, dir, new_dentry);
410}
411
412int security_inode_unlink(struct inode *dir, struct dentry *dentry)
413{
414 if (unlikely(IS_PRIVATE(dentry->d_inode)))
415 return 0;
416 return security_ops->inode_unlink(dir, dentry);
417}
418
419int security_inode_symlink(struct inode *dir, struct dentry *dentry,
420 const char *old_name)
421{
422 if (unlikely(IS_PRIVATE(dir)))
423 return 0;
424 return security_ops->inode_symlink(dir, dentry, old_name);
425}
426
427int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
428{
429 if (unlikely(IS_PRIVATE(dir)))
430 return 0;
431 return security_ops->inode_mkdir(dir, dentry, mode);
432}
433
434int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
435{
436 if (unlikely(IS_PRIVATE(dentry->d_inode)))
437 return 0;
438 return security_ops->inode_rmdir(dir, dentry);
439}
440
441int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
442{
443 if (unlikely(IS_PRIVATE(dir)))
444 return 0;
445 return security_ops->inode_mknod(dir, dentry, mode, dev);
446}
447
448int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
449 struct inode *new_dir, struct dentry *new_dentry)
450{
451 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
452 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
453 return 0;
454 return security_ops->inode_rename(old_dir, old_dentry,
455 new_dir, new_dentry);
456}
457
458int security_inode_readlink(struct dentry *dentry)
459{
460 if (unlikely(IS_PRIVATE(dentry->d_inode)))
461 return 0;
462 return security_ops->inode_readlink(dentry);
463}
464
465int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
466{
467 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return 0;
469 return security_ops->inode_follow_link(dentry, nd);
470}
471
472int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
473{
474 if (unlikely(IS_PRIVATE(inode)))
475 return 0;
476 return security_ops->inode_permission(inode, mask, nd);
477}
478
479int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
480{
481 if (unlikely(IS_PRIVATE(dentry->d_inode)))
482 return 0;
483 return security_ops->inode_setattr(dentry, attr);
484}
485
486int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
487{
488 if (unlikely(IS_PRIVATE(dentry->d_inode)))
489 return 0;
490 return security_ops->inode_getattr(mnt, dentry);
491}
492
493void security_inode_delete(struct inode *inode)
494{
495 if (unlikely(IS_PRIVATE(inode)))
496 return;
497 security_ops->inode_delete(inode);
498}
499
8f0cfa52
DH
500int security_inode_setxattr(struct dentry *dentry, const char *name,
501 const void *value, size_t size, int flags)
20510f2f
JM
502{
503 if (unlikely(IS_PRIVATE(dentry->d_inode)))
504 return 0;
505 return security_ops->inode_setxattr(dentry, name, value, size, flags);
506}
507
8f0cfa52
DH
508void security_inode_post_setxattr(struct dentry *dentry, const char *name,
509 const void *value, size_t size, int flags)
20510f2f
JM
510{
511 if (unlikely(IS_PRIVATE(dentry->d_inode)))
512 return;
513 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
514}
515
8f0cfa52 516int security_inode_getxattr(struct dentry *dentry, const char *name)
20510f2f
JM
517{
518 if (unlikely(IS_PRIVATE(dentry->d_inode)))
519 return 0;
520 return security_ops->inode_getxattr(dentry, name);
521}
522
523int security_inode_listxattr(struct dentry *dentry)
524{
525 if (unlikely(IS_PRIVATE(dentry->d_inode)))
526 return 0;
527 return security_ops->inode_listxattr(dentry);
528}
529
8f0cfa52 530int security_inode_removexattr(struct dentry *dentry, const char *name)
20510f2f
JM
531{
532 if (unlikely(IS_PRIVATE(dentry->d_inode)))
533 return 0;
534 return security_ops->inode_removexattr(dentry, name);
535}
536
b5376771
SH
537int security_inode_need_killpriv(struct dentry *dentry)
538{
539 return security_ops->inode_need_killpriv(dentry);
540}
541
542int security_inode_killpriv(struct dentry *dentry)
543{
544 return security_ops->inode_killpriv(dentry);
545}
546
42492594 547int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
20510f2f
JM
548{
549 if (unlikely(IS_PRIVATE(inode)))
550 return 0;
42492594 551 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
20510f2f
JM
552}
553
554int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
555{
556 if (unlikely(IS_PRIVATE(inode)))
557 return 0;
558 return security_ops->inode_setsecurity(inode, name, value, size, flags);
559}
560
561int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
562{
563 if (unlikely(IS_PRIVATE(inode)))
564 return 0;
565 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
566}
567
8a076191
AD
568void security_inode_getsecid(const struct inode *inode, u32 *secid)
569{
570 security_ops->inode_getsecid(inode, secid);
571}
572
20510f2f
JM
573int security_file_permission(struct file *file, int mask)
574{
575 return security_ops->file_permission(file, mask);
576}
577
578int security_file_alloc(struct file *file)
579{
580 return security_ops->file_alloc_security(file);
581}
582
583void security_file_free(struct file *file)
584{
585 security_ops->file_free_security(file);
586}
587
588int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
589{
590 return security_ops->file_ioctl(file, cmd, arg);
591}
592
593int security_file_mmap(struct file *file, unsigned long reqprot,
594 unsigned long prot, unsigned long flags,
595 unsigned long addr, unsigned long addr_only)
596{
597 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
598}
599
600int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
601 unsigned long prot)
602{
603 return security_ops->file_mprotect(vma, reqprot, prot);
604}
605
606int security_file_lock(struct file *file, unsigned int cmd)
607{
608 return security_ops->file_lock(file, cmd);
609}
610
611int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
612{
613 return security_ops->file_fcntl(file, cmd, arg);
614}
615
616int security_file_set_fowner(struct file *file)
617{
618 return security_ops->file_set_fowner(file);
619}
620
621int security_file_send_sigiotask(struct task_struct *tsk,
622 struct fown_struct *fown, int sig)
623{
624 return security_ops->file_send_sigiotask(tsk, fown, sig);
625}
626
627int security_file_receive(struct file *file)
628{
629 return security_ops->file_receive(file);
630}
631
632int security_dentry_open(struct file *file)
633{
634 return security_ops->dentry_open(file);
635}
636
637int security_task_create(unsigned long clone_flags)
638{
639 return security_ops->task_create(clone_flags);
640}
641
642int security_task_alloc(struct task_struct *p)
643{
644 return security_ops->task_alloc_security(p);
645}
646
647void security_task_free(struct task_struct *p)
648{
649 security_ops->task_free_security(p);
650}
651
652int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
653{
654 return security_ops->task_setuid(id0, id1, id2, flags);
655}
656
657int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
658 uid_t old_suid, int flags)
659{
660 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
661}
662
663int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
664{
665 return security_ops->task_setgid(id0, id1, id2, flags);
666}
667
668int security_task_setpgid(struct task_struct *p, pid_t pgid)
669{
670 return security_ops->task_setpgid(p, pgid);
671}
672
673int security_task_getpgid(struct task_struct *p)
674{
675 return security_ops->task_getpgid(p);
676}
677
678int security_task_getsid(struct task_struct *p)
679{
680 return security_ops->task_getsid(p);
681}
682
683void security_task_getsecid(struct task_struct *p, u32 *secid)
684{
685 security_ops->task_getsecid(p, secid);
686}
687EXPORT_SYMBOL(security_task_getsecid);
688
689int security_task_setgroups(struct group_info *group_info)
690{
691 return security_ops->task_setgroups(group_info);
692}
693
694int security_task_setnice(struct task_struct *p, int nice)
695{
696 return security_ops->task_setnice(p, nice);
697}
698
699int security_task_setioprio(struct task_struct *p, int ioprio)
700{
701 return security_ops->task_setioprio(p, ioprio);
702}
703
704int security_task_getioprio(struct task_struct *p)
705{
706 return security_ops->task_getioprio(p);
707}
708
709int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
710{
711 return security_ops->task_setrlimit(resource, new_rlim);
712}
713
714int security_task_setscheduler(struct task_struct *p,
715 int policy, struct sched_param *lp)
716{
717 return security_ops->task_setscheduler(p, policy, lp);
718}
719
720int security_task_getscheduler(struct task_struct *p)
721{
722 return security_ops->task_getscheduler(p);
723}
724
725int security_task_movememory(struct task_struct *p)
726{
727 return security_ops->task_movememory(p);
728}
729
730int security_task_kill(struct task_struct *p, struct siginfo *info,
731 int sig, u32 secid)
732{
733 return security_ops->task_kill(p, info, sig, secid);
734}
735
736int security_task_wait(struct task_struct *p)
737{
738 return security_ops->task_wait(p);
739}
740
741int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
3898b1b4 742 unsigned long arg4, unsigned long arg5, long *rc_p)
20510f2f 743{
3898b1b4 744 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
20510f2f
JM
745}
746
747void security_task_reparent_to_init(struct task_struct *p)
748{
749 security_ops->task_reparent_to_init(p);
750}
751
752void security_task_to_inode(struct task_struct *p, struct inode *inode)
753{
754 security_ops->task_to_inode(p, inode);
755}
756
757int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
758{
759 return security_ops->ipc_permission(ipcp, flag);
760}
761
8a076191
AD
762void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
763{
764 security_ops->ipc_getsecid(ipcp, secid);
765}
766
20510f2f
JM
767int security_msg_msg_alloc(struct msg_msg *msg)
768{
769 return security_ops->msg_msg_alloc_security(msg);
770}
771
772void security_msg_msg_free(struct msg_msg *msg)
773{
774 security_ops->msg_msg_free_security(msg);
775}
776
777int security_msg_queue_alloc(struct msg_queue *msq)
778{
779 return security_ops->msg_queue_alloc_security(msq);
780}
781
782void security_msg_queue_free(struct msg_queue *msq)
783{
784 security_ops->msg_queue_free_security(msq);
785}
786
787int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
788{
789 return security_ops->msg_queue_associate(msq, msqflg);
790}
791
792int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
793{
794 return security_ops->msg_queue_msgctl(msq, cmd);
795}
796
797int security_msg_queue_msgsnd(struct msg_queue *msq,
798 struct msg_msg *msg, int msqflg)
799{
800 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
801}
802
803int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
804 struct task_struct *target, long type, int mode)
805{
806 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
807}
808
809int security_shm_alloc(struct shmid_kernel *shp)
810{
811 return security_ops->shm_alloc_security(shp);
812}
813
814void security_shm_free(struct shmid_kernel *shp)
815{
816 security_ops->shm_free_security(shp);
817}
818
819int security_shm_associate(struct shmid_kernel *shp, int shmflg)
820{
821 return security_ops->shm_associate(shp, shmflg);
822}
823
824int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
825{
826 return security_ops->shm_shmctl(shp, cmd);
827}
828
829int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
830{
831 return security_ops->shm_shmat(shp, shmaddr, shmflg);
832}
833
834int security_sem_alloc(struct sem_array *sma)
835{
836 return security_ops->sem_alloc_security(sma);
837}
838
839void security_sem_free(struct sem_array *sma)
840{
841 security_ops->sem_free_security(sma);
842}
843
844int security_sem_associate(struct sem_array *sma, int semflg)
845{
846 return security_ops->sem_associate(sma, semflg);
847}
848
849int security_sem_semctl(struct sem_array *sma, int cmd)
850{
851 return security_ops->sem_semctl(sma, cmd);
852}
853
854int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
855 unsigned nsops, int alter)
856{
857 return security_ops->sem_semop(sma, sops, nsops, alter);
858}
859
860void security_d_instantiate(struct dentry *dentry, struct inode *inode)
861{
862 if (unlikely(inode && IS_PRIVATE(inode)))
863 return;
864 security_ops->d_instantiate(dentry, inode);
865}
866EXPORT_SYMBOL(security_d_instantiate);
867
868int security_getprocattr(struct task_struct *p, char *name, char **value)
869{
870 return security_ops->getprocattr(p, name, value);
871}
872
873int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
874{
875 return security_ops->setprocattr(p, name, value, size);
876}
877
878int security_netlink_send(struct sock *sk, struct sk_buff *skb)
879{
880 return security_ops->netlink_send(sk, skb);
881}
20510f2f
JM
882
883int security_netlink_recv(struct sk_buff *skb, int cap)
884{
885 return security_ops->netlink_recv(skb, cap);
886}
887EXPORT_SYMBOL(security_netlink_recv);
888
889int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
890{
891 return security_ops->secid_to_secctx(secid, secdata, seclen);
892}
893EXPORT_SYMBOL(security_secid_to_secctx);
894
7bf570dc 895int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
63cb3449
DH
896{
897 return security_ops->secctx_to_secid(secdata, seclen, secid);
898}
899EXPORT_SYMBOL(security_secctx_to_secid);
900
20510f2f
JM
901void security_release_secctx(char *secdata, u32 seclen)
902{
65fc7668 903 security_ops->release_secctx(secdata, seclen);
20510f2f
JM
904}
905EXPORT_SYMBOL(security_release_secctx);
906
907#ifdef CONFIG_SECURITY_NETWORK
908
909int security_unix_stream_connect(struct socket *sock, struct socket *other,
910 struct sock *newsk)
911{
912 return security_ops->unix_stream_connect(sock, other, newsk);
913}
914EXPORT_SYMBOL(security_unix_stream_connect);
915
916int security_unix_may_send(struct socket *sock, struct socket *other)
917{
918 return security_ops->unix_may_send(sock, other);
919}
920EXPORT_SYMBOL(security_unix_may_send);
921
922int security_socket_create(int family, int type, int protocol, int kern)
923{
924 return security_ops->socket_create(family, type, protocol, kern);
925}
926
927int security_socket_post_create(struct socket *sock, int family,
928 int type, int protocol, int kern)
929{
930 return security_ops->socket_post_create(sock, family, type,
931 protocol, kern);
932}
933
934int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
935{
936 return security_ops->socket_bind(sock, address, addrlen);
937}
938
939int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
940{
941 return security_ops->socket_connect(sock, address, addrlen);
942}
943
944int security_socket_listen(struct socket *sock, int backlog)
945{
946 return security_ops->socket_listen(sock, backlog);
947}
948
949int security_socket_accept(struct socket *sock, struct socket *newsock)
950{
951 return security_ops->socket_accept(sock, newsock);
952}
953
954void security_socket_post_accept(struct socket *sock, struct socket *newsock)
955{
956 security_ops->socket_post_accept(sock, newsock);
957}
958
959int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
960{
961 return security_ops->socket_sendmsg(sock, msg, size);
962}
963
964int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
965 int size, int flags)
966{
967 return security_ops->socket_recvmsg(sock, msg, size, flags);
968}
969
970int security_socket_getsockname(struct socket *sock)
971{
972 return security_ops->socket_getsockname(sock);
973}
974
975int security_socket_getpeername(struct socket *sock)
976{
977 return security_ops->socket_getpeername(sock);
978}
979
980int security_socket_getsockopt(struct socket *sock, int level, int optname)
981{
982 return security_ops->socket_getsockopt(sock, level, optname);
983}
984
985int security_socket_setsockopt(struct socket *sock, int level, int optname)
986{
987 return security_ops->socket_setsockopt(sock, level, optname);
988}
989
990int security_socket_shutdown(struct socket *sock, int how)
991{
992 return security_ops->socket_shutdown(sock, how);
993}
994
995int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
996{
997 return security_ops->socket_sock_rcv_skb(sk, skb);
998}
999EXPORT_SYMBOL(security_sock_rcv_skb);
1000
1001int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1002 int __user *optlen, unsigned len)
1003{
1004 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1005}
1006
1007int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1008{
1009 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1010}
1011EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1012
1013int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1014{
1015 return security_ops->sk_alloc_security(sk, family, priority);
1016}
1017
1018void security_sk_free(struct sock *sk)
1019{
65fc7668 1020 security_ops->sk_free_security(sk);
20510f2f
JM
1021}
1022
1023void security_sk_clone(const struct sock *sk, struct sock *newsk)
1024{
65fc7668 1025 security_ops->sk_clone_security(sk, newsk);
20510f2f
JM
1026}
1027
1028void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1029{
1030 security_ops->sk_getsecid(sk, &fl->secid);
1031}
1032EXPORT_SYMBOL(security_sk_classify_flow);
1033
1034void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1035{
1036 security_ops->req_classify_flow(req, fl);
1037}
1038EXPORT_SYMBOL(security_req_classify_flow);
1039
1040void security_sock_graft(struct sock *sk, struct socket *parent)
1041{
1042 security_ops->sock_graft(sk, parent);
1043}
1044EXPORT_SYMBOL(security_sock_graft);
1045
1046int security_inet_conn_request(struct sock *sk,
1047 struct sk_buff *skb, struct request_sock *req)
1048{
1049 return security_ops->inet_conn_request(sk, skb, req);
1050}
1051EXPORT_SYMBOL(security_inet_conn_request);
1052
1053void security_inet_csk_clone(struct sock *newsk,
1054 const struct request_sock *req)
1055{
1056 security_ops->inet_csk_clone(newsk, req);
1057}
1058
1059void security_inet_conn_established(struct sock *sk,
1060 struct sk_buff *skb)
1061{
1062 security_ops->inet_conn_established(sk, skb);
1063}
1064
1065#endif /* CONFIG_SECURITY_NETWORK */
1066
1067#ifdef CONFIG_SECURITY_NETWORK_XFRM
1068
03e1ad7b 1069int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
20510f2f 1070{
03e1ad7b 1071 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
20510f2f
JM
1072}
1073EXPORT_SYMBOL(security_xfrm_policy_alloc);
1074
03e1ad7b
PM
1075int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1076 struct xfrm_sec_ctx **new_ctxp)
20510f2f 1077{
03e1ad7b 1078 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
20510f2f
JM
1079}
1080
03e1ad7b 1081void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
20510f2f 1082{
03e1ad7b 1083 security_ops->xfrm_policy_free_security(ctx);
20510f2f
JM
1084}
1085EXPORT_SYMBOL(security_xfrm_policy_free);
1086
03e1ad7b 1087int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
20510f2f 1088{
03e1ad7b 1089 return security_ops->xfrm_policy_delete_security(ctx);
20510f2f
JM
1090}
1091
1092int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1093{
1094 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1095}
1096EXPORT_SYMBOL(security_xfrm_state_alloc);
1097
1098int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1099 struct xfrm_sec_ctx *polsec, u32 secid)
1100{
1101 if (!polsec)
1102 return 0;
1103 /*
1104 * We want the context to be taken from secid which is usually
1105 * from the sock.
1106 */
1107 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1108}
1109
1110int security_xfrm_state_delete(struct xfrm_state *x)
1111{
1112 return security_ops->xfrm_state_delete_security(x);
1113}
1114EXPORT_SYMBOL(security_xfrm_state_delete);
1115
1116void security_xfrm_state_free(struct xfrm_state *x)
1117{
1118 security_ops->xfrm_state_free_security(x);
1119}
1120
03e1ad7b 1121int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
20510f2f 1122{
03e1ad7b 1123 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
20510f2f
JM
1124}
1125
1126int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1127 struct xfrm_policy *xp, struct flowi *fl)
1128{
1129 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1130}
1131
1132int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1133{
1134 return security_ops->xfrm_decode_session(skb, secid, 1);
1135}
1136
1137void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1138{
1139 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1140
1141 BUG_ON(rc);
1142}
1143EXPORT_SYMBOL(security_skb_classify_flow);
1144
1145#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1146
1147#ifdef CONFIG_KEYS
1148
1149int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1150{
1151 return security_ops->key_alloc(key, tsk, flags);
1152}
1153
1154void security_key_free(struct key *key)
1155{
1156 security_ops->key_free(key);
1157}
1158
1159int security_key_permission(key_ref_t key_ref,
1160 struct task_struct *context, key_perm_t perm)
1161{
1162 return security_ops->key_permission(key_ref, context, perm);
1163}
1164
70a5bb72
DH
1165int security_key_getsecurity(struct key *key, char **_buffer)
1166{
1167 return security_ops->key_getsecurity(key, _buffer);
1168}
1169
20510f2f 1170#endif /* CONFIG_KEYS */
03d37d25
AD
1171
1172#ifdef CONFIG_AUDIT
1173
1174int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1175{
1176 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1177}
1178
1179int security_audit_rule_known(struct audit_krule *krule)
1180{
1181 return security_ops->audit_rule_known(krule);
1182}
1183
1184void security_audit_rule_free(void *lsmrule)
1185{
1186 security_ops->audit_rule_free(lsmrule);
1187}
1188
1189int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1190 struct audit_context *actx)
1191{
1192 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1193}
1194
1195#endif /* CONFIG_AUDIT */