blob: 2c0a5876b939ef0e036f487ca199448fb13afea4 [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
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020020/* Boot-time LSM user choice */
21static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
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 */
Eric Parisa5ecbcb2008-01-31 15:11:22 -050028
29/* amount of vm to protect from userspace access */
30unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
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{
James Morris20510f22007-10-16 23:31:32 -070058 printk(KERN_INFO "Security Framework initialized\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
60 if (verify(&dummy_security_ops)) {
61 printk(KERN_ERR "%s could not verify "
Harvey Harrisondd6f9532008-03-06 10:03:59 +110062 "dummy_security_ops structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -070063 return -EIO;
64 }
65
66 security_ops = &dummy_security_ops;
67 do_security_initcalls();
68
69 return 0;
70}
71
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020072/* 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
James Morris7cea51b2008-03-07 12:23:49 +110086 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020087 *
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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105/**
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
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200111 * 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).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 *
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 "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100121 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 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
133/**
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134 * 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 "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100149 "security operations.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150 return -EINVAL;
151 }
152
153 if (ops == security_ops) {
154 printk(KERN_INFO "%s security operations "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100155 "already registered.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 return -EINVAL;
157 }
158
159 return security_ops->register_security(name, ops);
160}
161
James Morris20510f22007-10-16 23:31:32 -0700162/* Security operations */
163
Stephen Smalley006ebb42008-05-19 08:32:49 -0400164int security_ptrace(struct task_struct *parent, struct task_struct *child,
165 unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700166{
Stephen Smalley006ebb42008-05-19 08:32:49 -0400167 return security_ops->ptrace(parent, child, mode);
James Morris20510f22007-10-16 23:31:32 -0700168}
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
Eric Parise0007522008-03-05 10:31:54 -0500284int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700285{
Eric Parise0007522008-03-05 10:31:54 -0500286 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700287}
Eric Parise0007522008-03-05 10:31:54 -0500288EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700289
290int security_sb_kern_mount(struct super_block *sb, void *data)
291{
292 return security_ops->sb_kern_mount(sb, data);
293}
294
295int security_sb_statfs(struct dentry *dentry)
296{
297 return security_ops->sb_statfs(dentry);
298}
299
Al Virob5266eb2008-03-22 17:48:24 -0400300int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700301 char *type, unsigned long flags, void *data)
302{
Al Virob5266eb2008-03-22 17:48:24 -0400303 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700304}
305
Al Virob5266eb2008-03-22 17:48:24 -0400306int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
James Morris20510f22007-10-16 23:31:32 -0700307{
Al Virob5266eb2008-03-22 17:48:24 -0400308 return security_ops->sb_check_sb(mnt, path);
James Morris20510f22007-10-16 23:31:32 -0700309}
310
311int security_sb_umount(struct vfsmount *mnt, int flags)
312{
313 return security_ops->sb_umount(mnt, flags);
314}
315
316void security_sb_umount_close(struct vfsmount *mnt)
317{
318 security_ops->sb_umount_close(mnt);
319}
320
321void security_sb_umount_busy(struct vfsmount *mnt)
322{
323 security_ops->sb_umount_busy(mnt);
324}
325
326void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
327{
328 security_ops->sb_post_remount(mnt, flags, data);
329}
330
Al Virob5266eb2008-03-22 17:48:24 -0400331void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
James Morris20510f22007-10-16 23:31:32 -0700332{
Al Virob5266eb2008-03-22 17:48:24 -0400333 security_ops->sb_post_addmount(mnt, mountpoint);
James Morris20510f22007-10-16 23:31:32 -0700334}
335
Al Virob5266eb2008-03-22 17:48:24 -0400336int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700337{
Al Virob5266eb2008-03-22 17:48:24 -0400338 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700339}
340
Al Virob5266eb2008-03-22 17:48:24 -0400341void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700342{
Al Virob5266eb2008-03-22 17:48:24 -0400343 security_ops->sb_post_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700344}
345
Eric Parisc9180a52007-11-30 13:00:35 -0500346int security_sb_get_mnt_opts(const struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500347 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500348{
Eric Parise0007522008-03-05 10:31:54 -0500349 return security_ops->sb_get_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500350}
351
352int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500353 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500354{
Eric Parise0007522008-03-05 10:31:54 -0500355 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500356}
Eric Parise0007522008-03-05 10:31:54 -0500357EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500358
359void security_sb_clone_mnt_opts(const struct super_block *oldsb,
360 struct super_block *newsb)
361{
362 security_ops->sb_clone_mnt_opts(oldsb, newsb);
363}
Eric Parise0007522008-03-05 10:31:54 -0500364EXPORT_SYMBOL(security_sb_clone_mnt_opts);
365
366int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
367{
368 return security_ops->sb_parse_opts_str(options, opts);
369}
370EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500371
James Morris20510f22007-10-16 23:31:32 -0700372int security_inode_alloc(struct inode *inode)
373{
374 inode->i_security = NULL;
375 return security_ops->inode_alloc_security(inode);
376}
377
378void security_inode_free(struct inode *inode)
379{
380 security_ops->inode_free_security(inode);
381}
382
383int security_inode_init_security(struct inode *inode, struct inode *dir,
384 char **name, void **value, size_t *len)
385{
386 if (unlikely(IS_PRIVATE(inode)))
387 return -EOPNOTSUPP;
388 return security_ops->inode_init_security(inode, dir, name, value, len);
389}
390EXPORT_SYMBOL(security_inode_init_security);
391
392int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
393{
394 if (unlikely(IS_PRIVATE(dir)))
395 return 0;
396 return security_ops->inode_create(dir, dentry, mode);
397}
398
399int security_inode_link(struct dentry *old_dentry, struct inode *dir,
400 struct dentry *new_dentry)
401{
402 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
403 return 0;
404 return security_ops->inode_link(old_dentry, dir, new_dentry);
405}
406
407int security_inode_unlink(struct inode *dir, struct dentry *dentry)
408{
409 if (unlikely(IS_PRIVATE(dentry->d_inode)))
410 return 0;
411 return security_ops->inode_unlink(dir, dentry);
412}
413
414int security_inode_symlink(struct inode *dir, struct dentry *dentry,
415 const char *old_name)
416{
417 if (unlikely(IS_PRIVATE(dir)))
418 return 0;
419 return security_ops->inode_symlink(dir, dentry, old_name);
420}
421
422int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
423{
424 if (unlikely(IS_PRIVATE(dir)))
425 return 0;
426 return security_ops->inode_mkdir(dir, dentry, mode);
427}
428
429int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
430{
431 if (unlikely(IS_PRIVATE(dentry->d_inode)))
432 return 0;
433 return security_ops->inode_rmdir(dir, dentry);
434}
435
436int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
437{
438 if (unlikely(IS_PRIVATE(dir)))
439 return 0;
440 return security_ops->inode_mknod(dir, dentry, mode, dev);
441}
442
443int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
444 struct inode *new_dir, struct dentry *new_dentry)
445{
446 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
447 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
448 return 0;
449 return security_ops->inode_rename(old_dir, old_dentry,
450 new_dir, new_dentry);
451}
452
453int security_inode_readlink(struct dentry *dentry)
454{
455 if (unlikely(IS_PRIVATE(dentry->d_inode)))
456 return 0;
457 return security_ops->inode_readlink(dentry);
458}
459
460int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
461{
462 if (unlikely(IS_PRIVATE(dentry->d_inode)))
463 return 0;
464 return security_ops->inode_follow_link(dentry, nd);
465}
466
467int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
468{
469 if (unlikely(IS_PRIVATE(inode)))
470 return 0;
471 return security_ops->inode_permission(inode, mask, nd);
472}
473
474int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
475{
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_setattr(dentry, attr);
479}
480
481int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
482{
483 if (unlikely(IS_PRIVATE(dentry->d_inode)))
484 return 0;
485 return security_ops->inode_getattr(mnt, dentry);
486}
487
488void security_inode_delete(struct inode *inode)
489{
490 if (unlikely(IS_PRIVATE(inode)))
491 return;
492 security_ops->inode_delete(inode);
493}
494
David Howells8f0cfa52008-04-29 00:59:41 -0700495int security_inode_setxattr(struct dentry *dentry, const char *name,
496 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700497{
498 if (unlikely(IS_PRIVATE(dentry->d_inode)))
499 return 0;
500 return security_ops->inode_setxattr(dentry, name, value, size, flags);
501}
502
David Howells8f0cfa52008-04-29 00:59:41 -0700503void security_inode_post_setxattr(struct dentry *dentry, const char *name,
504 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700505{
506 if (unlikely(IS_PRIVATE(dentry->d_inode)))
507 return;
508 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
509}
510
David Howells8f0cfa52008-04-29 00:59:41 -0700511int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700512{
513 if (unlikely(IS_PRIVATE(dentry->d_inode)))
514 return 0;
515 return security_ops->inode_getxattr(dentry, name);
516}
517
518int security_inode_listxattr(struct dentry *dentry)
519{
520 if (unlikely(IS_PRIVATE(dentry->d_inode)))
521 return 0;
522 return security_ops->inode_listxattr(dentry);
523}
524
David Howells8f0cfa52008-04-29 00:59:41 -0700525int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700526{
527 if (unlikely(IS_PRIVATE(dentry->d_inode)))
528 return 0;
529 return security_ops->inode_removexattr(dentry, name);
530}
531
Serge E. Hallynb5376772007-10-16 23:31:36 -0700532int security_inode_need_killpriv(struct dentry *dentry)
533{
534 return security_ops->inode_need_killpriv(dentry);
535}
536
537int security_inode_killpriv(struct dentry *dentry)
538{
539 return security_ops->inode_killpriv(dentry);
540}
541
David P. Quigley42492592008-02-04 22:29:39 -0800542int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700543{
544 if (unlikely(IS_PRIVATE(inode)))
545 return 0;
David P. Quigley42492592008-02-04 22:29:39 -0800546 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700547}
548
549int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
550{
551 if (unlikely(IS_PRIVATE(inode)))
552 return 0;
553 return security_ops->inode_setsecurity(inode, name, value, size, flags);
554}
555
556int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
557{
558 if (unlikely(IS_PRIVATE(inode)))
559 return 0;
560 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
561}
562
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200563void security_inode_getsecid(const struct inode *inode, u32 *secid)
564{
565 security_ops->inode_getsecid(inode, secid);
566}
567
James Morris20510f22007-10-16 23:31:32 -0700568int security_file_permission(struct file *file, int mask)
569{
570 return security_ops->file_permission(file, mask);
571}
572
573int security_file_alloc(struct file *file)
574{
575 return security_ops->file_alloc_security(file);
576}
577
578void security_file_free(struct file *file)
579{
580 security_ops->file_free_security(file);
581}
582
583int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
584{
585 return security_ops->file_ioctl(file, cmd, arg);
586}
587
588int security_file_mmap(struct file *file, unsigned long reqprot,
589 unsigned long prot, unsigned long flags,
590 unsigned long addr, unsigned long addr_only)
591{
592 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
593}
594
595int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
596 unsigned long prot)
597{
598 return security_ops->file_mprotect(vma, reqprot, prot);
599}
600
601int security_file_lock(struct file *file, unsigned int cmd)
602{
603 return security_ops->file_lock(file, cmd);
604}
605
606int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
607{
608 return security_ops->file_fcntl(file, cmd, arg);
609}
610
611int security_file_set_fowner(struct file *file)
612{
613 return security_ops->file_set_fowner(file);
614}
615
616int security_file_send_sigiotask(struct task_struct *tsk,
617 struct fown_struct *fown, int sig)
618{
619 return security_ops->file_send_sigiotask(tsk, fown, sig);
620}
621
622int security_file_receive(struct file *file)
623{
624 return security_ops->file_receive(file);
625}
626
627int security_dentry_open(struct file *file)
628{
629 return security_ops->dentry_open(file);
630}
631
632int security_task_create(unsigned long clone_flags)
633{
634 return security_ops->task_create(clone_flags);
635}
636
637int security_task_alloc(struct task_struct *p)
638{
639 return security_ops->task_alloc_security(p);
640}
641
642void security_task_free(struct task_struct *p)
643{
644 security_ops->task_free_security(p);
645}
646
647int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
648{
649 return security_ops->task_setuid(id0, id1, id2, flags);
650}
651
652int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
653 uid_t old_suid, int flags)
654{
655 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
656}
657
658int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
659{
660 return security_ops->task_setgid(id0, id1, id2, flags);
661}
662
663int security_task_setpgid(struct task_struct *p, pid_t pgid)
664{
665 return security_ops->task_setpgid(p, pgid);
666}
667
668int security_task_getpgid(struct task_struct *p)
669{
670 return security_ops->task_getpgid(p);
671}
672
673int security_task_getsid(struct task_struct *p)
674{
675 return security_ops->task_getsid(p);
676}
677
678void security_task_getsecid(struct task_struct *p, u32 *secid)
679{
680 security_ops->task_getsecid(p, secid);
681}
682EXPORT_SYMBOL(security_task_getsecid);
683
684int security_task_setgroups(struct group_info *group_info)
685{
686 return security_ops->task_setgroups(group_info);
687}
688
689int security_task_setnice(struct task_struct *p, int nice)
690{
691 return security_ops->task_setnice(p, nice);
692}
693
694int security_task_setioprio(struct task_struct *p, int ioprio)
695{
696 return security_ops->task_setioprio(p, ioprio);
697}
698
699int security_task_getioprio(struct task_struct *p)
700{
701 return security_ops->task_getioprio(p);
702}
703
704int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
705{
706 return security_ops->task_setrlimit(resource, new_rlim);
707}
708
709int security_task_setscheduler(struct task_struct *p,
710 int policy, struct sched_param *lp)
711{
712 return security_ops->task_setscheduler(p, policy, lp);
713}
714
715int security_task_getscheduler(struct task_struct *p)
716{
717 return security_ops->task_getscheduler(p);
718}
719
720int security_task_movememory(struct task_struct *p)
721{
722 return security_ops->task_movememory(p);
723}
724
725int security_task_kill(struct task_struct *p, struct siginfo *info,
726 int sig, u32 secid)
727{
728 return security_ops->task_kill(p, info, sig, secid);
729}
730
731int security_task_wait(struct task_struct *p)
732{
733 return security_ops->task_wait(p);
734}
735
736int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700737 unsigned long arg4, unsigned long arg5, long *rc_p)
James Morris20510f22007-10-16 23:31:32 -0700738{
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700739 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
James Morris20510f22007-10-16 23:31:32 -0700740}
741
742void security_task_reparent_to_init(struct task_struct *p)
743{
744 security_ops->task_reparent_to_init(p);
745}
746
747void security_task_to_inode(struct task_struct *p, struct inode *inode)
748{
749 security_ops->task_to_inode(p, inode);
750}
751
752int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
753{
754 return security_ops->ipc_permission(ipcp, flag);
755}
756
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200757void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
758{
759 security_ops->ipc_getsecid(ipcp, secid);
760}
761
James Morris20510f22007-10-16 23:31:32 -0700762int security_msg_msg_alloc(struct msg_msg *msg)
763{
764 return security_ops->msg_msg_alloc_security(msg);
765}
766
767void security_msg_msg_free(struct msg_msg *msg)
768{
769 security_ops->msg_msg_free_security(msg);
770}
771
772int security_msg_queue_alloc(struct msg_queue *msq)
773{
774 return security_ops->msg_queue_alloc_security(msq);
775}
776
777void security_msg_queue_free(struct msg_queue *msq)
778{
779 security_ops->msg_queue_free_security(msq);
780}
781
782int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
783{
784 return security_ops->msg_queue_associate(msq, msqflg);
785}
786
787int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
788{
789 return security_ops->msg_queue_msgctl(msq, cmd);
790}
791
792int security_msg_queue_msgsnd(struct msg_queue *msq,
793 struct msg_msg *msg, int msqflg)
794{
795 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
796}
797
798int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
799 struct task_struct *target, long type, int mode)
800{
801 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
802}
803
804int security_shm_alloc(struct shmid_kernel *shp)
805{
806 return security_ops->shm_alloc_security(shp);
807}
808
809void security_shm_free(struct shmid_kernel *shp)
810{
811 security_ops->shm_free_security(shp);
812}
813
814int security_shm_associate(struct shmid_kernel *shp, int shmflg)
815{
816 return security_ops->shm_associate(shp, shmflg);
817}
818
819int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
820{
821 return security_ops->shm_shmctl(shp, cmd);
822}
823
824int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
825{
826 return security_ops->shm_shmat(shp, shmaddr, shmflg);
827}
828
829int security_sem_alloc(struct sem_array *sma)
830{
831 return security_ops->sem_alloc_security(sma);
832}
833
834void security_sem_free(struct sem_array *sma)
835{
836 security_ops->sem_free_security(sma);
837}
838
839int security_sem_associate(struct sem_array *sma, int semflg)
840{
841 return security_ops->sem_associate(sma, semflg);
842}
843
844int security_sem_semctl(struct sem_array *sma, int cmd)
845{
846 return security_ops->sem_semctl(sma, cmd);
847}
848
849int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
850 unsigned nsops, int alter)
851{
852 return security_ops->sem_semop(sma, sops, nsops, alter);
853}
854
855void security_d_instantiate(struct dentry *dentry, struct inode *inode)
856{
857 if (unlikely(inode && IS_PRIVATE(inode)))
858 return;
859 security_ops->d_instantiate(dentry, inode);
860}
861EXPORT_SYMBOL(security_d_instantiate);
862
863int security_getprocattr(struct task_struct *p, char *name, char **value)
864{
865 return security_ops->getprocattr(p, name, value);
866}
867
868int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
869{
870 return security_ops->setprocattr(p, name, value, size);
871}
872
873int security_netlink_send(struct sock *sk, struct sk_buff *skb)
874{
875 return security_ops->netlink_send(sk, skb);
876}
James Morris20510f22007-10-16 23:31:32 -0700877
878int security_netlink_recv(struct sk_buff *skb, int cap)
879{
880 return security_ops->netlink_recv(skb, cap);
881}
882EXPORT_SYMBOL(security_netlink_recv);
883
884int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
885{
886 return security_ops->secid_to_secctx(secid, secdata, seclen);
887}
888EXPORT_SYMBOL(security_secid_to_secctx);
889
David Howells7bf570d2008-04-29 20:52:51 +0100890int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +0000891{
892 return security_ops->secctx_to_secid(secdata, seclen, secid);
893}
894EXPORT_SYMBOL(security_secctx_to_secid);
895
James Morris20510f22007-10-16 23:31:32 -0700896void security_release_secctx(char *secdata, u32 seclen)
897{
James Morris65fc7662008-06-12 01:00:10 +1000898 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -0700899}
900EXPORT_SYMBOL(security_release_secctx);
901
902#ifdef CONFIG_SECURITY_NETWORK
903
904int security_unix_stream_connect(struct socket *sock, struct socket *other,
905 struct sock *newsk)
906{
907 return security_ops->unix_stream_connect(sock, other, newsk);
908}
909EXPORT_SYMBOL(security_unix_stream_connect);
910
911int security_unix_may_send(struct socket *sock, struct socket *other)
912{
913 return security_ops->unix_may_send(sock, other);
914}
915EXPORT_SYMBOL(security_unix_may_send);
916
917int security_socket_create(int family, int type, int protocol, int kern)
918{
919 return security_ops->socket_create(family, type, protocol, kern);
920}
921
922int security_socket_post_create(struct socket *sock, int family,
923 int type, int protocol, int kern)
924{
925 return security_ops->socket_post_create(sock, family, type,
926 protocol, kern);
927}
928
929int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
930{
931 return security_ops->socket_bind(sock, address, addrlen);
932}
933
934int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
935{
936 return security_ops->socket_connect(sock, address, addrlen);
937}
938
939int security_socket_listen(struct socket *sock, int backlog)
940{
941 return security_ops->socket_listen(sock, backlog);
942}
943
944int security_socket_accept(struct socket *sock, struct socket *newsock)
945{
946 return security_ops->socket_accept(sock, newsock);
947}
948
949void security_socket_post_accept(struct socket *sock, struct socket *newsock)
950{
951 security_ops->socket_post_accept(sock, newsock);
952}
953
954int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
955{
956 return security_ops->socket_sendmsg(sock, msg, size);
957}
958
959int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
960 int size, int flags)
961{
962 return security_ops->socket_recvmsg(sock, msg, size, flags);
963}
964
965int security_socket_getsockname(struct socket *sock)
966{
967 return security_ops->socket_getsockname(sock);
968}
969
970int security_socket_getpeername(struct socket *sock)
971{
972 return security_ops->socket_getpeername(sock);
973}
974
975int security_socket_getsockopt(struct socket *sock, int level, int optname)
976{
977 return security_ops->socket_getsockopt(sock, level, optname);
978}
979
980int security_socket_setsockopt(struct socket *sock, int level, int optname)
981{
982 return security_ops->socket_setsockopt(sock, level, optname);
983}
984
985int security_socket_shutdown(struct socket *sock, int how)
986{
987 return security_ops->socket_shutdown(sock, how);
988}
989
990int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
991{
992 return security_ops->socket_sock_rcv_skb(sk, skb);
993}
994EXPORT_SYMBOL(security_sock_rcv_skb);
995
996int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
997 int __user *optlen, unsigned len)
998{
999 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1000}
1001
1002int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1003{
1004 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1005}
1006EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1007
1008int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1009{
1010 return security_ops->sk_alloc_security(sk, family, priority);
1011}
1012
1013void security_sk_free(struct sock *sk)
1014{
James Morris65fc7662008-06-12 01:00:10 +10001015 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -07001016}
1017
1018void security_sk_clone(const struct sock *sk, struct sock *newsk)
1019{
James Morris65fc7662008-06-12 01:00:10 +10001020 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001021}
1022
1023void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1024{
1025 security_ops->sk_getsecid(sk, &fl->secid);
1026}
1027EXPORT_SYMBOL(security_sk_classify_flow);
1028
1029void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1030{
1031 security_ops->req_classify_flow(req, fl);
1032}
1033EXPORT_SYMBOL(security_req_classify_flow);
1034
1035void security_sock_graft(struct sock *sk, struct socket *parent)
1036{
1037 security_ops->sock_graft(sk, parent);
1038}
1039EXPORT_SYMBOL(security_sock_graft);
1040
1041int security_inet_conn_request(struct sock *sk,
1042 struct sk_buff *skb, struct request_sock *req)
1043{
1044 return security_ops->inet_conn_request(sk, skb, req);
1045}
1046EXPORT_SYMBOL(security_inet_conn_request);
1047
1048void security_inet_csk_clone(struct sock *newsk,
1049 const struct request_sock *req)
1050{
1051 security_ops->inet_csk_clone(newsk, req);
1052}
1053
1054void security_inet_conn_established(struct sock *sk,
1055 struct sk_buff *skb)
1056{
1057 security_ops->inet_conn_established(sk, skb);
1058}
1059
1060#endif /* CONFIG_SECURITY_NETWORK */
1061
1062#ifdef CONFIG_SECURITY_NETWORK_XFRM
1063
Paul Moore03e1ad72008-04-12 19:07:52 -07001064int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001065{
Paul Moore03e1ad72008-04-12 19:07:52 -07001066 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001067}
1068EXPORT_SYMBOL(security_xfrm_policy_alloc);
1069
Paul Moore03e1ad72008-04-12 19:07:52 -07001070int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1071 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001072{
Paul Moore03e1ad72008-04-12 19:07:52 -07001073 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001074}
1075
Paul Moore03e1ad72008-04-12 19:07:52 -07001076void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001077{
Paul Moore03e1ad72008-04-12 19:07:52 -07001078 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001079}
1080EXPORT_SYMBOL(security_xfrm_policy_free);
1081
Paul Moore03e1ad72008-04-12 19:07:52 -07001082int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001083{
Paul Moore03e1ad72008-04-12 19:07:52 -07001084 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001085}
1086
1087int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1088{
1089 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1090}
1091EXPORT_SYMBOL(security_xfrm_state_alloc);
1092
1093int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1094 struct xfrm_sec_ctx *polsec, u32 secid)
1095{
1096 if (!polsec)
1097 return 0;
1098 /*
1099 * We want the context to be taken from secid which is usually
1100 * from the sock.
1101 */
1102 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1103}
1104
1105int security_xfrm_state_delete(struct xfrm_state *x)
1106{
1107 return security_ops->xfrm_state_delete_security(x);
1108}
1109EXPORT_SYMBOL(security_xfrm_state_delete);
1110
1111void security_xfrm_state_free(struct xfrm_state *x)
1112{
1113 security_ops->xfrm_state_free_security(x);
1114}
1115
Paul Moore03e1ad72008-04-12 19:07:52 -07001116int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001117{
Paul Moore03e1ad72008-04-12 19:07:52 -07001118 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001119}
1120
1121int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1122 struct xfrm_policy *xp, struct flowi *fl)
1123{
1124 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1125}
1126
1127int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1128{
1129 return security_ops->xfrm_decode_session(skb, secid, 1);
1130}
1131
1132void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1133{
1134 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1135
1136 BUG_ON(rc);
1137}
1138EXPORT_SYMBOL(security_skb_classify_flow);
1139
1140#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1141
1142#ifdef CONFIG_KEYS
1143
1144int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1145{
1146 return security_ops->key_alloc(key, tsk, flags);
1147}
1148
1149void security_key_free(struct key *key)
1150{
1151 security_ops->key_free(key);
1152}
1153
1154int security_key_permission(key_ref_t key_ref,
1155 struct task_struct *context, key_perm_t perm)
1156{
1157 return security_ops->key_permission(key_ref, context, perm);
1158}
1159
David Howells70a5bb72008-04-29 01:01:26 -07001160int security_key_getsecurity(struct key *key, char **_buffer)
1161{
1162 return security_ops->key_getsecurity(key, _buffer);
1163}
1164
James Morris20510f22007-10-16 23:31:32 -07001165#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001166
1167#ifdef CONFIG_AUDIT
1168
1169int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1170{
1171 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1172}
1173
1174int security_audit_rule_known(struct audit_krule *krule)
1175{
1176 return security_ops->audit_rule_known(krule);
1177}
1178
1179void security_audit_rule_free(void *lsmrule)
1180{
1181 security_ops->audit_rule_free(lsmrule);
1182}
1183
1184int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1185 struct audit_context *actx)
1186{
1187 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1188}
1189
1190#endif /* CONFIG_AUDIT */