blob: c0acfa7177e5d1a01d19375f94bfa1ff819637a3 [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
Miklos Szeredi5915eb52008-07-03 20:56:05 +020023/* things that live in capability.c */
24extern struct security_operations default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070025extern 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
Miklos Szeredi5915eb52008-07-03 20:56:05 +020060 security_fixup_ops(&default_security_ops);
61 security_ops = &default_security_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 do_security_initcalls();
63
64 return 0;
65}
66
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020067/* Save user chosen LSM */
68static int __init choose_lsm(char *str)
69{
70 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
71 return 1;
72}
73__setup("security=", choose_lsm);
74
75/**
76 * security_module_enable - Load given security module on boot ?
77 * @ops: a pointer to the struct security_operations that is to be checked.
78 *
79 * Each LSM must pass this method before registering its own operations
80 * to avoid security registration races. This method may also be used
James Morris7cea51b2008-03-07 12:23:49 +110081 * to check if your LSM is currently loaded during kernel initialization.
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020082 *
83 * Return true if:
84 * -The passed LSM is the one chosen by user at boot time,
Randy Dunlap3f23d812008-08-17 21:44:22 -070085 * -or user didn't specify a specific LSM and we're the first to ask
86 * for registration permission,
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +020087 * -or the passed LSM is currently loaded.
88 * Otherwise, return false.
89 */
90int __init security_module_enable(struct security_operations *ops)
91{
92 if (!*chosen_lsm)
93 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
94 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
95 return 0;
96
97 return 1;
98}
99
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100/**
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
103 *
Randy Dunlap3f23d812008-08-17 21:44:22 -0700104 * This function allows a security module to register itself with the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 * kernel security subsystem. Some rudimentary checking is done on the @ops
Ahmed S. Darwish076c54c2008-03-06 18:09:10 +0200106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 *
109 * If there is already a security module registered with the kernel,
Randy Dunlap3f23d812008-08-17 21:44:22 -0700110 * an error will be returned. Otherwise %0 is returned on success.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 */
112int register_security(struct security_operations *ops)
113{
114 if (verify(ops)) {
115 printk(KERN_DEBUG "%s could not verify "
Harvey Harrisondd6f9532008-03-06 10:03:59 +1100116 "security_operations structure.\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 return -EINVAL;
118 }
119
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200120 if (security_ops != &default_security_ops)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 return -EAGAIN;
122
123 security_ops = ops;
124
125 return 0;
126}
127
James Morris20510f22007-10-16 23:31:32 -0700128/* Security operations */
129
David Howells5cd9c582008-08-14 11:37:28 +0100130int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
James Morris20510f22007-10-16 23:31:32 -0700131{
David Howells5cd9c582008-08-14 11:37:28 +0100132 return security_ops->ptrace_may_access(child, mode);
133}
134
135int security_ptrace_traceme(struct task_struct *parent)
136{
137 return security_ops->ptrace_traceme(parent);
James Morris20510f22007-10-16 23:31:32 -0700138}
139
140int security_capget(struct task_struct *target,
141 kernel_cap_t *effective,
142 kernel_cap_t *inheritable,
143 kernel_cap_t *permitted)
144{
145 return security_ops->capget(target, effective, inheritable, permitted);
146}
147
148int security_capset_check(struct task_struct *target,
149 kernel_cap_t *effective,
150 kernel_cap_t *inheritable,
151 kernel_cap_t *permitted)
152{
153 return security_ops->capset_check(target, effective, inheritable, permitted);
154}
155
156void security_capset_set(struct task_struct *target,
157 kernel_cap_t *effective,
158 kernel_cap_t *inheritable,
159 kernel_cap_t *permitted)
160{
161 security_ops->capset_set(target, effective, inheritable, permitted);
162}
163
164int security_capable(struct task_struct *tsk, int cap)
165{
166 return security_ops->capable(tsk, cap);
167}
168
169int security_acct(struct file *file)
170{
171 return security_ops->acct(file);
172}
173
174int security_sysctl(struct ctl_table *table, int op)
175{
176 return security_ops->sysctl(table, op);
177}
178
179int security_quotactl(int cmds, int type, int id, struct super_block *sb)
180{
181 return security_ops->quotactl(cmds, type, id, sb);
182}
183
184int security_quota_on(struct dentry *dentry)
185{
186 return security_ops->quota_on(dentry);
187}
188
189int security_syslog(int type)
190{
191 return security_ops->syslog(type);
192}
193
194int security_settime(struct timespec *ts, struct timezone *tz)
195{
196 return security_ops->settime(ts, tz);
197}
198
199int security_vm_enough_memory(long pages)
200{
Alan Cox731572d2008-10-29 14:01:20 -0700201 WARN_ON(current->mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700202 return security_ops->vm_enough_memory(current->mm, pages);
203}
204
205int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
206{
Alan Cox731572d2008-10-29 14:01:20 -0700207 WARN_ON(mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700208 return security_ops->vm_enough_memory(mm, pages);
209}
210
Alan Cox731572d2008-10-29 14:01:20 -0700211int security_vm_enough_memory_kern(long pages)
212{
213 /* If current->mm is a kernel thread then we will pass NULL,
214 for this specific case that is fine */
215 return security_ops->vm_enough_memory(current->mm, pages);
216}
217
James Morris20510f22007-10-16 23:31:32 -0700218int security_bprm_alloc(struct linux_binprm *bprm)
219{
220 return security_ops->bprm_alloc_security(bprm);
221}
222
223void security_bprm_free(struct linux_binprm *bprm)
224{
225 security_ops->bprm_free_security(bprm);
226}
227
228void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
229{
230 security_ops->bprm_apply_creds(bprm, unsafe);
231}
232
233void security_bprm_post_apply_creds(struct linux_binprm *bprm)
234{
235 security_ops->bprm_post_apply_creds(bprm);
236}
237
238int security_bprm_set(struct linux_binprm *bprm)
239{
240 return security_ops->bprm_set_security(bprm);
241}
242
243int security_bprm_check(struct linux_binprm *bprm)
244{
245 return security_ops->bprm_check_security(bprm);
246}
247
248int security_bprm_secureexec(struct linux_binprm *bprm)
249{
250 return security_ops->bprm_secureexec(bprm);
251}
252
253int security_sb_alloc(struct super_block *sb)
254{
255 return security_ops->sb_alloc_security(sb);
256}
257
258void security_sb_free(struct super_block *sb)
259{
260 security_ops->sb_free_security(sb);
261}
262
Eric Parise0007522008-03-05 10:31:54 -0500263int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700264{
Eric Parise0007522008-03-05 10:31:54 -0500265 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700266}
Eric Parise0007522008-03-05 10:31:54 -0500267EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700268
269int security_sb_kern_mount(struct super_block *sb, void *data)
270{
271 return security_ops->sb_kern_mount(sb, data);
272}
273
Eric Paris2069f452008-07-04 09:47:13 +1000274int security_sb_show_options(struct seq_file *m, struct super_block *sb)
275{
276 return security_ops->sb_show_options(m, sb);
277}
278
James Morris20510f22007-10-16 23:31:32 -0700279int security_sb_statfs(struct dentry *dentry)
280{
281 return security_ops->sb_statfs(dentry);
282}
283
Al Virob5266eb2008-03-22 17:48:24 -0400284int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700285 char *type, unsigned long flags, void *data)
286{
Al Virob5266eb2008-03-22 17:48:24 -0400287 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700288}
289
Al Virob5266eb2008-03-22 17:48:24 -0400290int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
James Morris20510f22007-10-16 23:31:32 -0700291{
Al Virob5266eb2008-03-22 17:48:24 -0400292 return security_ops->sb_check_sb(mnt, path);
James Morris20510f22007-10-16 23:31:32 -0700293}
294
295int security_sb_umount(struct vfsmount *mnt, int flags)
296{
297 return security_ops->sb_umount(mnt, flags);
298}
299
300void security_sb_umount_close(struct vfsmount *mnt)
301{
302 security_ops->sb_umount_close(mnt);
303}
304
305void security_sb_umount_busy(struct vfsmount *mnt)
306{
307 security_ops->sb_umount_busy(mnt);
308}
309
310void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
311{
312 security_ops->sb_post_remount(mnt, flags, data);
313}
314
Al Virob5266eb2008-03-22 17:48:24 -0400315void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
James Morris20510f22007-10-16 23:31:32 -0700316{
Al Virob5266eb2008-03-22 17:48:24 -0400317 security_ops->sb_post_addmount(mnt, mountpoint);
James Morris20510f22007-10-16 23:31:32 -0700318}
319
Al Virob5266eb2008-03-22 17:48:24 -0400320int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700321{
Al Virob5266eb2008-03-22 17:48:24 -0400322 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700323}
324
Al Virob5266eb2008-03-22 17:48:24 -0400325void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700326{
Al Virob5266eb2008-03-22 17:48:24 -0400327 security_ops->sb_post_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700328}
329
Eric Parisc9180a52007-11-30 13:00:35 -0500330int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500331 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500332{
Eric Parise0007522008-03-05 10:31:54 -0500333 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500334}
Eric Parise0007522008-03-05 10:31:54 -0500335EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500336
337void security_sb_clone_mnt_opts(const struct super_block *oldsb,
338 struct super_block *newsb)
339{
340 security_ops->sb_clone_mnt_opts(oldsb, newsb);
341}
Eric Parise0007522008-03-05 10:31:54 -0500342EXPORT_SYMBOL(security_sb_clone_mnt_opts);
343
344int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
345{
346 return security_ops->sb_parse_opts_str(options, opts);
347}
348EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500349
James Morris20510f22007-10-16 23:31:32 -0700350int security_inode_alloc(struct inode *inode)
351{
352 inode->i_security = NULL;
353 return security_ops->inode_alloc_security(inode);
354}
355
356void security_inode_free(struct inode *inode)
357{
358 security_ops->inode_free_security(inode);
359}
360
361int security_inode_init_security(struct inode *inode, struct inode *dir,
362 char **name, void **value, size_t *len)
363{
364 if (unlikely(IS_PRIVATE(inode)))
365 return -EOPNOTSUPP;
366 return security_ops->inode_init_security(inode, dir, name, value, len);
367}
368EXPORT_SYMBOL(security_inode_init_security);
369
370int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
371{
372 if (unlikely(IS_PRIVATE(dir)))
373 return 0;
374 return security_ops->inode_create(dir, dentry, mode);
375}
376
377int security_inode_link(struct dentry *old_dentry, struct inode *dir,
378 struct dentry *new_dentry)
379{
380 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
381 return 0;
382 return security_ops->inode_link(old_dentry, dir, new_dentry);
383}
384
385int security_inode_unlink(struct inode *dir, struct dentry *dentry)
386{
387 if (unlikely(IS_PRIVATE(dentry->d_inode)))
388 return 0;
389 return security_ops->inode_unlink(dir, dentry);
390}
391
392int security_inode_symlink(struct inode *dir, struct dentry *dentry,
393 const char *old_name)
394{
395 if (unlikely(IS_PRIVATE(dir)))
396 return 0;
397 return security_ops->inode_symlink(dir, dentry, old_name);
398}
399
400int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
401{
402 if (unlikely(IS_PRIVATE(dir)))
403 return 0;
404 return security_ops->inode_mkdir(dir, dentry, mode);
405}
406
407int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
408{
409 if (unlikely(IS_PRIVATE(dentry->d_inode)))
410 return 0;
411 return security_ops->inode_rmdir(dir, dentry);
412}
413
414int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
415{
416 if (unlikely(IS_PRIVATE(dir)))
417 return 0;
418 return security_ops->inode_mknod(dir, dentry, mode, dev);
419}
420
421int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
422 struct inode *new_dir, struct dentry *new_dentry)
423{
424 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
425 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
426 return 0;
427 return security_ops->inode_rename(old_dir, old_dentry,
428 new_dir, new_dentry);
429}
430
431int security_inode_readlink(struct dentry *dentry)
432{
433 if (unlikely(IS_PRIVATE(dentry->d_inode)))
434 return 0;
435 return security_ops->inode_readlink(dentry);
436}
437
438int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
439{
440 if (unlikely(IS_PRIVATE(dentry->d_inode)))
441 return 0;
442 return security_ops->inode_follow_link(dentry, nd);
443}
444
Al Virob77b0642008-07-17 09:37:02 -0400445int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700446{
447 if (unlikely(IS_PRIVATE(inode)))
448 return 0;
Al Virob77b0642008-07-17 09:37:02 -0400449 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700450}
451
452int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
453{
454 if (unlikely(IS_PRIVATE(dentry->d_inode)))
455 return 0;
456 return security_ops->inode_setattr(dentry, attr);
457}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200458EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700459
460int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
461{
462 if (unlikely(IS_PRIVATE(dentry->d_inode)))
463 return 0;
464 return security_ops->inode_getattr(mnt, dentry);
465}
466
467void security_inode_delete(struct inode *inode)
468{
469 if (unlikely(IS_PRIVATE(inode)))
470 return;
471 security_ops->inode_delete(inode);
472}
473
David Howells8f0cfa52008-04-29 00:59:41 -0700474int security_inode_setxattr(struct dentry *dentry, const char *name,
475 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700476{
477 if (unlikely(IS_PRIVATE(dentry->d_inode)))
478 return 0;
479 return security_ops->inode_setxattr(dentry, name, value, size, flags);
480}
481
David Howells8f0cfa52008-04-29 00:59:41 -0700482void security_inode_post_setxattr(struct dentry *dentry, const char *name,
483 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700484{
485 if (unlikely(IS_PRIVATE(dentry->d_inode)))
486 return;
487 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
488}
489
David Howells8f0cfa52008-04-29 00:59:41 -0700490int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700491{
492 if (unlikely(IS_PRIVATE(dentry->d_inode)))
493 return 0;
494 return security_ops->inode_getxattr(dentry, name);
495}
496
497int security_inode_listxattr(struct dentry *dentry)
498{
499 if (unlikely(IS_PRIVATE(dentry->d_inode)))
500 return 0;
501 return security_ops->inode_listxattr(dentry);
502}
503
David Howells8f0cfa52008-04-29 00:59:41 -0700504int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700505{
506 if (unlikely(IS_PRIVATE(dentry->d_inode)))
507 return 0;
508 return security_ops->inode_removexattr(dentry, name);
509}
510
Serge E. Hallynb5376772007-10-16 23:31:36 -0700511int security_inode_need_killpriv(struct dentry *dentry)
512{
513 return security_ops->inode_need_killpriv(dentry);
514}
515
516int security_inode_killpriv(struct dentry *dentry)
517{
518 return security_ops->inode_killpriv(dentry);
519}
520
David P. Quigley42492592008-02-04 22:29:39 -0800521int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700522{
523 if (unlikely(IS_PRIVATE(inode)))
524 return 0;
David P. Quigley42492592008-02-04 22:29:39 -0800525 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700526}
527
528int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
529{
530 if (unlikely(IS_PRIVATE(inode)))
531 return 0;
532 return security_ops->inode_setsecurity(inode, name, value, size, flags);
533}
534
535int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
536{
537 if (unlikely(IS_PRIVATE(inode)))
538 return 0;
539 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
540}
541
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200542void security_inode_getsecid(const struct inode *inode, u32 *secid)
543{
544 security_ops->inode_getsecid(inode, secid);
545}
546
James Morris20510f22007-10-16 23:31:32 -0700547int security_file_permission(struct file *file, int mask)
548{
549 return security_ops->file_permission(file, mask);
550}
551
552int security_file_alloc(struct file *file)
553{
554 return security_ops->file_alloc_security(file);
555}
556
557void security_file_free(struct file *file)
558{
559 security_ops->file_free_security(file);
560}
561
562int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
563{
564 return security_ops->file_ioctl(file, cmd, arg);
565}
566
567int security_file_mmap(struct file *file, unsigned long reqprot,
568 unsigned long prot, unsigned long flags,
569 unsigned long addr, unsigned long addr_only)
570{
571 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
572}
573
574int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
575 unsigned long prot)
576{
577 return security_ops->file_mprotect(vma, reqprot, prot);
578}
579
580int security_file_lock(struct file *file, unsigned int cmd)
581{
582 return security_ops->file_lock(file, cmd);
583}
584
585int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
586{
587 return security_ops->file_fcntl(file, cmd, arg);
588}
589
590int security_file_set_fowner(struct file *file)
591{
592 return security_ops->file_set_fowner(file);
593}
594
595int security_file_send_sigiotask(struct task_struct *tsk,
596 struct fown_struct *fown, int sig)
597{
598 return security_ops->file_send_sigiotask(tsk, fown, sig);
599}
600
601int security_file_receive(struct file *file)
602{
603 return security_ops->file_receive(file);
604}
605
606int security_dentry_open(struct file *file)
607{
608 return security_ops->dentry_open(file);
609}
610
611int security_task_create(unsigned long clone_flags)
612{
613 return security_ops->task_create(clone_flags);
614}
615
616int security_task_alloc(struct task_struct *p)
617{
618 return security_ops->task_alloc_security(p);
619}
620
621void security_task_free(struct task_struct *p)
622{
623 security_ops->task_free_security(p);
624}
625
626int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
627{
628 return security_ops->task_setuid(id0, id1, id2, flags);
629}
630
631int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
632 uid_t old_suid, int flags)
633{
634 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
635}
636
637int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
638{
639 return security_ops->task_setgid(id0, id1, id2, flags);
640}
641
642int security_task_setpgid(struct task_struct *p, pid_t pgid)
643{
644 return security_ops->task_setpgid(p, pgid);
645}
646
647int security_task_getpgid(struct task_struct *p)
648{
649 return security_ops->task_getpgid(p);
650}
651
652int security_task_getsid(struct task_struct *p)
653{
654 return security_ops->task_getsid(p);
655}
656
657void security_task_getsecid(struct task_struct *p, u32 *secid)
658{
659 security_ops->task_getsecid(p, secid);
660}
661EXPORT_SYMBOL(security_task_getsecid);
662
663int security_task_setgroups(struct group_info *group_info)
664{
665 return security_ops->task_setgroups(group_info);
666}
667
668int security_task_setnice(struct task_struct *p, int nice)
669{
670 return security_ops->task_setnice(p, nice);
671}
672
673int security_task_setioprio(struct task_struct *p, int ioprio)
674{
675 return security_ops->task_setioprio(p, ioprio);
676}
677
678int security_task_getioprio(struct task_struct *p)
679{
680 return security_ops->task_getioprio(p);
681}
682
683int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
684{
685 return security_ops->task_setrlimit(resource, new_rlim);
686}
687
688int security_task_setscheduler(struct task_struct *p,
689 int policy, struct sched_param *lp)
690{
691 return security_ops->task_setscheduler(p, policy, lp);
692}
693
694int security_task_getscheduler(struct task_struct *p)
695{
696 return security_ops->task_getscheduler(p);
697}
698
699int security_task_movememory(struct task_struct *p)
700{
701 return security_ops->task_movememory(p);
702}
703
704int security_task_kill(struct task_struct *p, struct siginfo *info,
705 int sig, u32 secid)
706{
707 return security_ops->task_kill(p, info, sig, secid);
708}
709
710int security_task_wait(struct task_struct *p)
711{
712 return security_ops->task_wait(p);
713}
714
715int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700716 unsigned long arg4, unsigned long arg5, long *rc_p)
James Morris20510f22007-10-16 23:31:32 -0700717{
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700718 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
James Morris20510f22007-10-16 23:31:32 -0700719}
720
721void security_task_reparent_to_init(struct task_struct *p)
722{
723 security_ops->task_reparent_to_init(p);
724}
725
726void security_task_to_inode(struct task_struct *p, struct inode *inode)
727{
728 security_ops->task_to_inode(p, inode);
729}
730
731int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
732{
733 return security_ops->ipc_permission(ipcp, flag);
734}
735
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200736void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
737{
738 security_ops->ipc_getsecid(ipcp, secid);
739}
740
James Morris20510f22007-10-16 23:31:32 -0700741int security_msg_msg_alloc(struct msg_msg *msg)
742{
743 return security_ops->msg_msg_alloc_security(msg);
744}
745
746void security_msg_msg_free(struct msg_msg *msg)
747{
748 security_ops->msg_msg_free_security(msg);
749}
750
751int security_msg_queue_alloc(struct msg_queue *msq)
752{
753 return security_ops->msg_queue_alloc_security(msq);
754}
755
756void security_msg_queue_free(struct msg_queue *msq)
757{
758 security_ops->msg_queue_free_security(msq);
759}
760
761int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
762{
763 return security_ops->msg_queue_associate(msq, msqflg);
764}
765
766int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
767{
768 return security_ops->msg_queue_msgctl(msq, cmd);
769}
770
771int security_msg_queue_msgsnd(struct msg_queue *msq,
772 struct msg_msg *msg, int msqflg)
773{
774 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
775}
776
777int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
778 struct task_struct *target, long type, int mode)
779{
780 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
781}
782
783int security_shm_alloc(struct shmid_kernel *shp)
784{
785 return security_ops->shm_alloc_security(shp);
786}
787
788void security_shm_free(struct shmid_kernel *shp)
789{
790 security_ops->shm_free_security(shp);
791}
792
793int security_shm_associate(struct shmid_kernel *shp, int shmflg)
794{
795 return security_ops->shm_associate(shp, shmflg);
796}
797
798int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
799{
800 return security_ops->shm_shmctl(shp, cmd);
801}
802
803int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
804{
805 return security_ops->shm_shmat(shp, shmaddr, shmflg);
806}
807
808int security_sem_alloc(struct sem_array *sma)
809{
810 return security_ops->sem_alloc_security(sma);
811}
812
813void security_sem_free(struct sem_array *sma)
814{
815 security_ops->sem_free_security(sma);
816}
817
818int security_sem_associate(struct sem_array *sma, int semflg)
819{
820 return security_ops->sem_associate(sma, semflg);
821}
822
823int security_sem_semctl(struct sem_array *sma, int cmd)
824{
825 return security_ops->sem_semctl(sma, cmd);
826}
827
828int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
829 unsigned nsops, int alter)
830{
831 return security_ops->sem_semop(sma, sops, nsops, alter);
832}
833
834void security_d_instantiate(struct dentry *dentry, struct inode *inode)
835{
836 if (unlikely(inode && IS_PRIVATE(inode)))
837 return;
838 security_ops->d_instantiate(dentry, inode);
839}
840EXPORT_SYMBOL(security_d_instantiate);
841
842int security_getprocattr(struct task_struct *p, char *name, char **value)
843{
844 return security_ops->getprocattr(p, name, value);
845}
846
847int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
848{
849 return security_ops->setprocattr(p, name, value, size);
850}
851
852int security_netlink_send(struct sock *sk, struct sk_buff *skb)
853{
854 return security_ops->netlink_send(sk, skb);
855}
James Morris20510f22007-10-16 23:31:32 -0700856
857int security_netlink_recv(struct sk_buff *skb, int cap)
858{
859 return security_ops->netlink_recv(skb, cap);
860}
861EXPORT_SYMBOL(security_netlink_recv);
862
863int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
864{
865 return security_ops->secid_to_secctx(secid, secdata, seclen);
866}
867EXPORT_SYMBOL(security_secid_to_secctx);
868
David Howells7bf570d2008-04-29 20:52:51 +0100869int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +0000870{
871 return security_ops->secctx_to_secid(secdata, seclen, secid);
872}
873EXPORT_SYMBOL(security_secctx_to_secid);
874
James Morris20510f22007-10-16 23:31:32 -0700875void security_release_secctx(char *secdata, u32 seclen)
876{
James Morris65fc7662008-06-12 01:00:10 +1000877 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -0700878}
879EXPORT_SYMBOL(security_release_secctx);
880
881#ifdef CONFIG_SECURITY_NETWORK
882
883int security_unix_stream_connect(struct socket *sock, struct socket *other,
884 struct sock *newsk)
885{
886 return security_ops->unix_stream_connect(sock, other, newsk);
887}
888EXPORT_SYMBOL(security_unix_stream_connect);
889
890int security_unix_may_send(struct socket *sock, struct socket *other)
891{
892 return security_ops->unix_may_send(sock, other);
893}
894EXPORT_SYMBOL(security_unix_may_send);
895
896int security_socket_create(int family, int type, int protocol, int kern)
897{
898 return security_ops->socket_create(family, type, protocol, kern);
899}
900
901int security_socket_post_create(struct socket *sock, int family,
902 int type, int protocol, int kern)
903{
904 return security_ops->socket_post_create(sock, family, type,
905 protocol, kern);
906}
907
908int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
909{
910 return security_ops->socket_bind(sock, address, addrlen);
911}
912
913int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
914{
915 return security_ops->socket_connect(sock, address, addrlen);
916}
917
918int security_socket_listen(struct socket *sock, int backlog)
919{
920 return security_ops->socket_listen(sock, backlog);
921}
922
923int security_socket_accept(struct socket *sock, struct socket *newsock)
924{
925 return security_ops->socket_accept(sock, newsock);
926}
927
928void security_socket_post_accept(struct socket *sock, struct socket *newsock)
929{
930 security_ops->socket_post_accept(sock, newsock);
931}
932
933int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
934{
935 return security_ops->socket_sendmsg(sock, msg, size);
936}
937
938int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
939 int size, int flags)
940{
941 return security_ops->socket_recvmsg(sock, msg, size, flags);
942}
943
944int security_socket_getsockname(struct socket *sock)
945{
946 return security_ops->socket_getsockname(sock);
947}
948
949int security_socket_getpeername(struct socket *sock)
950{
951 return security_ops->socket_getpeername(sock);
952}
953
954int security_socket_getsockopt(struct socket *sock, int level, int optname)
955{
956 return security_ops->socket_getsockopt(sock, level, optname);
957}
958
959int security_socket_setsockopt(struct socket *sock, int level, int optname)
960{
961 return security_ops->socket_setsockopt(sock, level, optname);
962}
963
964int security_socket_shutdown(struct socket *sock, int how)
965{
966 return security_ops->socket_shutdown(sock, how);
967}
968
969int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
970{
971 return security_ops->socket_sock_rcv_skb(sk, skb);
972}
973EXPORT_SYMBOL(security_sock_rcv_skb);
974
975int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
976 int __user *optlen, unsigned len)
977{
978 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
979}
980
981int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
982{
983 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
984}
985EXPORT_SYMBOL(security_socket_getpeersec_dgram);
986
987int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
988{
989 return security_ops->sk_alloc_security(sk, family, priority);
990}
991
992void security_sk_free(struct sock *sk)
993{
James Morris65fc7662008-06-12 01:00:10 +1000994 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -0700995}
996
997void security_sk_clone(const struct sock *sk, struct sock *newsk)
998{
James Morris65fc7662008-06-12 01:00:10 +1000999 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -07001000}
1001
1002void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1003{
1004 security_ops->sk_getsecid(sk, &fl->secid);
1005}
1006EXPORT_SYMBOL(security_sk_classify_flow);
1007
1008void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1009{
1010 security_ops->req_classify_flow(req, fl);
1011}
1012EXPORT_SYMBOL(security_req_classify_flow);
1013
1014void security_sock_graft(struct sock *sk, struct socket *parent)
1015{
1016 security_ops->sock_graft(sk, parent);
1017}
1018EXPORT_SYMBOL(security_sock_graft);
1019
1020int security_inet_conn_request(struct sock *sk,
1021 struct sk_buff *skb, struct request_sock *req)
1022{
1023 return security_ops->inet_conn_request(sk, skb, req);
1024}
1025EXPORT_SYMBOL(security_inet_conn_request);
1026
1027void security_inet_csk_clone(struct sock *newsk,
1028 const struct request_sock *req)
1029{
1030 security_ops->inet_csk_clone(newsk, req);
1031}
1032
1033void security_inet_conn_established(struct sock *sk,
1034 struct sk_buff *skb)
1035{
1036 security_ops->inet_conn_established(sk, skb);
1037}
1038
1039#endif /* CONFIG_SECURITY_NETWORK */
1040
1041#ifdef CONFIG_SECURITY_NETWORK_XFRM
1042
Paul Moore03e1ad72008-04-12 19:07:52 -07001043int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001044{
Paul Moore03e1ad72008-04-12 19:07:52 -07001045 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001046}
1047EXPORT_SYMBOL(security_xfrm_policy_alloc);
1048
Paul Moore03e1ad72008-04-12 19:07:52 -07001049int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1050 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001051{
Paul Moore03e1ad72008-04-12 19:07:52 -07001052 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001053}
1054
Paul Moore03e1ad72008-04-12 19:07:52 -07001055void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001056{
Paul Moore03e1ad72008-04-12 19:07:52 -07001057 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001058}
1059EXPORT_SYMBOL(security_xfrm_policy_free);
1060
Paul Moore03e1ad72008-04-12 19:07:52 -07001061int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001062{
Paul Moore03e1ad72008-04-12 19:07:52 -07001063 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001064}
1065
1066int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1067{
1068 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1069}
1070EXPORT_SYMBOL(security_xfrm_state_alloc);
1071
1072int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1073 struct xfrm_sec_ctx *polsec, u32 secid)
1074{
1075 if (!polsec)
1076 return 0;
1077 /*
1078 * We want the context to be taken from secid which is usually
1079 * from the sock.
1080 */
1081 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1082}
1083
1084int security_xfrm_state_delete(struct xfrm_state *x)
1085{
1086 return security_ops->xfrm_state_delete_security(x);
1087}
1088EXPORT_SYMBOL(security_xfrm_state_delete);
1089
1090void security_xfrm_state_free(struct xfrm_state *x)
1091{
1092 security_ops->xfrm_state_free_security(x);
1093}
1094
Paul Moore03e1ad72008-04-12 19:07:52 -07001095int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001096{
Paul Moore03e1ad72008-04-12 19:07:52 -07001097 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001098}
1099
1100int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1101 struct xfrm_policy *xp, struct flowi *fl)
1102{
1103 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1104}
1105
1106int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1107{
1108 return security_ops->xfrm_decode_session(skb, secid, 1);
1109}
1110
1111void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1112{
1113 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1114
1115 BUG_ON(rc);
1116}
1117EXPORT_SYMBOL(security_skb_classify_flow);
1118
1119#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1120
1121#ifdef CONFIG_KEYS
1122
1123int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1124{
1125 return security_ops->key_alloc(key, tsk, flags);
1126}
1127
1128void security_key_free(struct key *key)
1129{
1130 security_ops->key_free(key);
1131}
1132
1133int security_key_permission(key_ref_t key_ref,
1134 struct task_struct *context, key_perm_t perm)
1135{
1136 return security_ops->key_permission(key_ref, context, perm);
1137}
1138
David Howells70a5bb72008-04-29 01:01:26 -07001139int security_key_getsecurity(struct key *key, char **_buffer)
1140{
1141 return security_ops->key_getsecurity(key, _buffer);
1142}
1143
James Morris20510f22007-10-16 23:31:32 -07001144#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001145
1146#ifdef CONFIG_AUDIT
1147
1148int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1149{
1150 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1151}
1152
1153int security_audit_rule_known(struct audit_krule *krule)
1154{
1155 return security_ops->audit_rule_known(krule);
1156}
1157
1158void security_audit_rule_free(void *lsmrule)
1159{
1160 security_ops->audit_rule_free(lsmrule);
1161}
1162
1163int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1164 struct audit_context *actx)
1165{
1166 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1167}
1168
1169#endif /* CONFIG_AUDIT */