blob: 255b08559b2b62e057d5fda7a8b4396b2bdbb065 [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{
201 return security_ops->vm_enough_memory(current->mm, pages);
202}
203
204int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
205{
206 return security_ops->vm_enough_memory(mm, pages);
207}
208
209int security_bprm_alloc(struct linux_binprm *bprm)
210{
211 return security_ops->bprm_alloc_security(bprm);
212}
213
214void security_bprm_free(struct linux_binprm *bprm)
215{
216 security_ops->bprm_free_security(bprm);
217}
218
219void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
220{
221 security_ops->bprm_apply_creds(bprm, unsafe);
222}
223
224void security_bprm_post_apply_creds(struct linux_binprm *bprm)
225{
226 security_ops->bprm_post_apply_creds(bprm);
227}
228
229int security_bprm_set(struct linux_binprm *bprm)
230{
231 return security_ops->bprm_set_security(bprm);
232}
233
234int security_bprm_check(struct linux_binprm *bprm)
235{
236 return security_ops->bprm_check_security(bprm);
237}
238
239int security_bprm_secureexec(struct linux_binprm *bprm)
240{
241 return security_ops->bprm_secureexec(bprm);
242}
243
244int security_sb_alloc(struct super_block *sb)
245{
246 return security_ops->sb_alloc_security(sb);
247}
248
249void security_sb_free(struct super_block *sb)
250{
251 security_ops->sb_free_security(sb);
252}
253
Eric Parise0007522008-03-05 10:31:54 -0500254int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700255{
Eric Parise0007522008-03-05 10:31:54 -0500256 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700257}
Eric Parise0007522008-03-05 10:31:54 -0500258EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700259
260int security_sb_kern_mount(struct super_block *sb, void *data)
261{
262 return security_ops->sb_kern_mount(sb, data);
263}
264
Eric Paris2069f452008-07-04 09:47:13 +1000265int security_sb_show_options(struct seq_file *m, struct super_block *sb)
266{
267 return security_ops->sb_show_options(m, sb);
268}
269
James Morris20510f22007-10-16 23:31:32 -0700270int security_sb_statfs(struct dentry *dentry)
271{
272 return security_ops->sb_statfs(dentry);
273}
274
Al Virob5266eb2008-03-22 17:48:24 -0400275int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700276 char *type, unsigned long flags, void *data)
277{
Al Virob5266eb2008-03-22 17:48:24 -0400278 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700279}
280
Al Virob5266eb2008-03-22 17:48:24 -0400281int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
James Morris20510f22007-10-16 23:31:32 -0700282{
Al Virob5266eb2008-03-22 17:48:24 -0400283 return security_ops->sb_check_sb(mnt, path);
James Morris20510f22007-10-16 23:31:32 -0700284}
285
286int security_sb_umount(struct vfsmount *mnt, int flags)
287{
288 return security_ops->sb_umount(mnt, flags);
289}
290
291void security_sb_umount_close(struct vfsmount *mnt)
292{
293 security_ops->sb_umount_close(mnt);
294}
295
296void security_sb_umount_busy(struct vfsmount *mnt)
297{
298 security_ops->sb_umount_busy(mnt);
299}
300
301void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
302{
303 security_ops->sb_post_remount(mnt, flags, data);
304}
305
Al Virob5266eb2008-03-22 17:48:24 -0400306void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
James Morris20510f22007-10-16 23:31:32 -0700307{
Al Virob5266eb2008-03-22 17:48:24 -0400308 security_ops->sb_post_addmount(mnt, mountpoint);
James Morris20510f22007-10-16 23:31:32 -0700309}
310
Al Virob5266eb2008-03-22 17:48:24 -0400311int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700312{
Al Virob5266eb2008-03-22 17:48:24 -0400313 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700314}
315
Al Virob5266eb2008-03-22 17:48:24 -0400316void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700317{
Al Virob5266eb2008-03-22 17:48:24 -0400318 security_ops->sb_post_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700319}
320
Eric Parisc9180a52007-11-30 13:00:35 -0500321int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500322 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500323{
Eric Parise0007522008-03-05 10:31:54 -0500324 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500325}
Eric Parise0007522008-03-05 10:31:54 -0500326EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500327
328void security_sb_clone_mnt_opts(const struct super_block *oldsb,
329 struct super_block *newsb)
330{
331 security_ops->sb_clone_mnt_opts(oldsb, newsb);
332}
Eric Parise0007522008-03-05 10:31:54 -0500333EXPORT_SYMBOL(security_sb_clone_mnt_opts);
334
335int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
336{
337 return security_ops->sb_parse_opts_str(options, opts);
338}
339EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500340
James Morris20510f22007-10-16 23:31:32 -0700341int security_inode_alloc(struct inode *inode)
342{
343 inode->i_security = NULL;
344 return security_ops->inode_alloc_security(inode);
345}
346
347void security_inode_free(struct inode *inode)
348{
349 security_ops->inode_free_security(inode);
350}
351
352int security_inode_init_security(struct inode *inode, struct inode *dir,
353 char **name, void **value, size_t *len)
354{
355 if (unlikely(IS_PRIVATE(inode)))
356 return -EOPNOTSUPP;
357 return security_ops->inode_init_security(inode, dir, name, value, len);
358}
359EXPORT_SYMBOL(security_inode_init_security);
360
361int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
362{
363 if (unlikely(IS_PRIVATE(dir)))
364 return 0;
365 return security_ops->inode_create(dir, dentry, mode);
366}
367
368int security_inode_link(struct dentry *old_dentry, struct inode *dir,
369 struct dentry *new_dentry)
370{
371 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
372 return 0;
373 return security_ops->inode_link(old_dentry, dir, new_dentry);
374}
375
376int security_inode_unlink(struct inode *dir, struct dentry *dentry)
377{
378 if (unlikely(IS_PRIVATE(dentry->d_inode)))
379 return 0;
380 return security_ops->inode_unlink(dir, dentry);
381}
382
383int security_inode_symlink(struct inode *dir, struct dentry *dentry,
384 const char *old_name)
385{
386 if (unlikely(IS_PRIVATE(dir)))
387 return 0;
388 return security_ops->inode_symlink(dir, dentry, old_name);
389}
390
391int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
392{
393 if (unlikely(IS_PRIVATE(dir)))
394 return 0;
395 return security_ops->inode_mkdir(dir, dentry, mode);
396}
397
398int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
399{
400 if (unlikely(IS_PRIVATE(dentry->d_inode)))
401 return 0;
402 return security_ops->inode_rmdir(dir, dentry);
403}
404
405int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
406{
407 if (unlikely(IS_PRIVATE(dir)))
408 return 0;
409 return security_ops->inode_mknod(dir, dentry, mode, dev);
410}
411
412int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
413 struct inode *new_dir, struct dentry *new_dentry)
414{
415 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
416 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
417 return 0;
418 return security_ops->inode_rename(old_dir, old_dentry,
419 new_dir, new_dentry);
420}
421
422int security_inode_readlink(struct dentry *dentry)
423{
424 if (unlikely(IS_PRIVATE(dentry->d_inode)))
425 return 0;
426 return security_ops->inode_readlink(dentry);
427}
428
429int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
430{
431 if (unlikely(IS_PRIVATE(dentry->d_inode)))
432 return 0;
433 return security_ops->inode_follow_link(dentry, nd);
434}
435
Al Virob77b0642008-07-17 09:37:02 -0400436int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700437{
438 if (unlikely(IS_PRIVATE(inode)))
439 return 0;
Al Virob77b0642008-07-17 09:37:02 -0400440 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700441}
442
443int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
444{
445 if (unlikely(IS_PRIVATE(dentry->d_inode)))
446 return 0;
447 return security_ops->inode_setattr(dentry, attr);
448}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200449EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700450
451int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
452{
453 if (unlikely(IS_PRIVATE(dentry->d_inode)))
454 return 0;
455 return security_ops->inode_getattr(mnt, dentry);
456}
457
458void security_inode_delete(struct inode *inode)
459{
460 if (unlikely(IS_PRIVATE(inode)))
461 return;
462 security_ops->inode_delete(inode);
463}
464
David Howells8f0cfa52008-04-29 00:59:41 -0700465int security_inode_setxattr(struct dentry *dentry, const char *name,
466 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700467{
468 if (unlikely(IS_PRIVATE(dentry->d_inode)))
469 return 0;
470 return security_ops->inode_setxattr(dentry, name, value, size, flags);
471}
472
David Howells8f0cfa52008-04-29 00:59:41 -0700473void security_inode_post_setxattr(struct dentry *dentry, const char *name,
474 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700475{
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return;
478 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
479}
480
David Howells8f0cfa52008-04-29 00:59:41 -0700481int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700482{
483 if (unlikely(IS_PRIVATE(dentry->d_inode)))
484 return 0;
485 return security_ops->inode_getxattr(dentry, name);
486}
487
488int security_inode_listxattr(struct dentry *dentry)
489{
490 if (unlikely(IS_PRIVATE(dentry->d_inode)))
491 return 0;
492 return security_ops->inode_listxattr(dentry);
493}
494
David Howells8f0cfa52008-04-29 00:59:41 -0700495int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700496{
497 if (unlikely(IS_PRIVATE(dentry->d_inode)))
498 return 0;
499 return security_ops->inode_removexattr(dentry, name);
500}
501
Serge E. Hallynb5376772007-10-16 23:31:36 -0700502int security_inode_need_killpriv(struct dentry *dentry)
503{
504 return security_ops->inode_need_killpriv(dentry);
505}
506
507int security_inode_killpriv(struct dentry *dentry)
508{
509 return security_ops->inode_killpriv(dentry);
510}
511
David P. Quigley42492592008-02-04 22:29:39 -0800512int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700513{
514 if (unlikely(IS_PRIVATE(inode)))
515 return 0;
David P. Quigley42492592008-02-04 22:29:39 -0800516 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700517}
518
519int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
520{
521 if (unlikely(IS_PRIVATE(inode)))
522 return 0;
523 return security_ops->inode_setsecurity(inode, name, value, size, flags);
524}
525
526int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
527{
528 if (unlikely(IS_PRIVATE(inode)))
529 return 0;
530 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
531}
532
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200533void security_inode_getsecid(const struct inode *inode, u32 *secid)
534{
535 security_ops->inode_getsecid(inode, secid);
536}
537
James Morris20510f22007-10-16 23:31:32 -0700538int security_file_permission(struct file *file, int mask)
539{
540 return security_ops->file_permission(file, mask);
541}
542
543int security_file_alloc(struct file *file)
544{
545 return security_ops->file_alloc_security(file);
546}
547
548void security_file_free(struct file *file)
549{
550 security_ops->file_free_security(file);
551}
552
553int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
554{
555 return security_ops->file_ioctl(file, cmd, arg);
556}
557
558int security_file_mmap(struct file *file, unsigned long reqprot,
559 unsigned long prot, unsigned long flags,
560 unsigned long addr, unsigned long addr_only)
561{
562 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
563}
564
565int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
566 unsigned long prot)
567{
568 return security_ops->file_mprotect(vma, reqprot, prot);
569}
570
571int security_file_lock(struct file *file, unsigned int cmd)
572{
573 return security_ops->file_lock(file, cmd);
574}
575
576int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
577{
578 return security_ops->file_fcntl(file, cmd, arg);
579}
580
581int security_file_set_fowner(struct file *file)
582{
583 return security_ops->file_set_fowner(file);
584}
585
586int security_file_send_sigiotask(struct task_struct *tsk,
587 struct fown_struct *fown, int sig)
588{
589 return security_ops->file_send_sigiotask(tsk, fown, sig);
590}
591
592int security_file_receive(struct file *file)
593{
594 return security_ops->file_receive(file);
595}
596
597int security_dentry_open(struct file *file)
598{
599 return security_ops->dentry_open(file);
600}
601
602int security_task_create(unsigned long clone_flags)
603{
604 return security_ops->task_create(clone_flags);
605}
606
607int security_task_alloc(struct task_struct *p)
608{
609 return security_ops->task_alloc_security(p);
610}
611
612void security_task_free(struct task_struct *p)
613{
614 security_ops->task_free_security(p);
615}
616
617int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
618{
619 return security_ops->task_setuid(id0, id1, id2, flags);
620}
621
622int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
623 uid_t old_suid, int flags)
624{
625 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
626}
627
628int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
629{
630 return security_ops->task_setgid(id0, id1, id2, flags);
631}
632
633int security_task_setpgid(struct task_struct *p, pid_t pgid)
634{
635 return security_ops->task_setpgid(p, pgid);
636}
637
638int security_task_getpgid(struct task_struct *p)
639{
640 return security_ops->task_getpgid(p);
641}
642
643int security_task_getsid(struct task_struct *p)
644{
645 return security_ops->task_getsid(p);
646}
647
648void security_task_getsecid(struct task_struct *p, u32 *secid)
649{
650 security_ops->task_getsecid(p, secid);
651}
652EXPORT_SYMBOL(security_task_getsecid);
653
654int security_task_setgroups(struct group_info *group_info)
655{
656 return security_ops->task_setgroups(group_info);
657}
658
659int security_task_setnice(struct task_struct *p, int nice)
660{
661 return security_ops->task_setnice(p, nice);
662}
663
664int security_task_setioprio(struct task_struct *p, int ioprio)
665{
666 return security_ops->task_setioprio(p, ioprio);
667}
668
669int security_task_getioprio(struct task_struct *p)
670{
671 return security_ops->task_getioprio(p);
672}
673
674int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
675{
676 return security_ops->task_setrlimit(resource, new_rlim);
677}
678
679int security_task_setscheduler(struct task_struct *p,
680 int policy, struct sched_param *lp)
681{
682 return security_ops->task_setscheduler(p, policy, lp);
683}
684
685int security_task_getscheduler(struct task_struct *p)
686{
687 return security_ops->task_getscheduler(p);
688}
689
690int security_task_movememory(struct task_struct *p)
691{
692 return security_ops->task_movememory(p);
693}
694
695int security_task_kill(struct task_struct *p, struct siginfo *info,
696 int sig, u32 secid)
697{
698 return security_ops->task_kill(p, info, sig, secid);
699}
700
701int security_task_wait(struct task_struct *p)
702{
703 return security_ops->task_wait(p);
704}
705
706int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700707 unsigned long arg4, unsigned long arg5, long *rc_p)
James Morris20510f22007-10-16 23:31:32 -0700708{
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700709 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
James Morris20510f22007-10-16 23:31:32 -0700710}
711
712void security_task_reparent_to_init(struct task_struct *p)
713{
714 security_ops->task_reparent_to_init(p);
715}
716
717void security_task_to_inode(struct task_struct *p, struct inode *inode)
718{
719 security_ops->task_to_inode(p, inode);
720}
721
722int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
723{
724 return security_ops->ipc_permission(ipcp, flag);
725}
726
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200727void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
728{
729 security_ops->ipc_getsecid(ipcp, secid);
730}
731
James Morris20510f22007-10-16 23:31:32 -0700732int security_msg_msg_alloc(struct msg_msg *msg)
733{
734 return security_ops->msg_msg_alloc_security(msg);
735}
736
737void security_msg_msg_free(struct msg_msg *msg)
738{
739 security_ops->msg_msg_free_security(msg);
740}
741
742int security_msg_queue_alloc(struct msg_queue *msq)
743{
744 return security_ops->msg_queue_alloc_security(msq);
745}
746
747void security_msg_queue_free(struct msg_queue *msq)
748{
749 security_ops->msg_queue_free_security(msq);
750}
751
752int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
753{
754 return security_ops->msg_queue_associate(msq, msqflg);
755}
756
757int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
758{
759 return security_ops->msg_queue_msgctl(msq, cmd);
760}
761
762int security_msg_queue_msgsnd(struct msg_queue *msq,
763 struct msg_msg *msg, int msqflg)
764{
765 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
766}
767
768int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
769 struct task_struct *target, long type, int mode)
770{
771 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
772}
773
774int security_shm_alloc(struct shmid_kernel *shp)
775{
776 return security_ops->shm_alloc_security(shp);
777}
778
779void security_shm_free(struct shmid_kernel *shp)
780{
781 security_ops->shm_free_security(shp);
782}
783
784int security_shm_associate(struct shmid_kernel *shp, int shmflg)
785{
786 return security_ops->shm_associate(shp, shmflg);
787}
788
789int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
790{
791 return security_ops->shm_shmctl(shp, cmd);
792}
793
794int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
795{
796 return security_ops->shm_shmat(shp, shmaddr, shmflg);
797}
798
799int security_sem_alloc(struct sem_array *sma)
800{
801 return security_ops->sem_alloc_security(sma);
802}
803
804void security_sem_free(struct sem_array *sma)
805{
806 security_ops->sem_free_security(sma);
807}
808
809int security_sem_associate(struct sem_array *sma, int semflg)
810{
811 return security_ops->sem_associate(sma, semflg);
812}
813
814int security_sem_semctl(struct sem_array *sma, int cmd)
815{
816 return security_ops->sem_semctl(sma, cmd);
817}
818
819int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
820 unsigned nsops, int alter)
821{
822 return security_ops->sem_semop(sma, sops, nsops, alter);
823}
824
825void security_d_instantiate(struct dentry *dentry, struct inode *inode)
826{
827 if (unlikely(inode && IS_PRIVATE(inode)))
828 return;
829 security_ops->d_instantiate(dentry, inode);
830}
831EXPORT_SYMBOL(security_d_instantiate);
832
833int security_getprocattr(struct task_struct *p, char *name, char **value)
834{
835 return security_ops->getprocattr(p, name, value);
836}
837
838int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
839{
840 return security_ops->setprocattr(p, name, value, size);
841}
842
843int security_netlink_send(struct sock *sk, struct sk_buff *skb)
844{
845 return security_ops->netlink_send(sk, skb);
846}
James Morris20510f22007-10-16 23:31:32 -0700847
848int security_netlink_recv(struct sk_buff *skb, int cap)
849{
850 return security_ops->netlink_recv(skb, cap);
851}
852EXPORT_SYMBOL(security_netlink_recv);
853
854int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
855{
856 return security_ops->secid_to_secctx(secid, secdata, seclen);
857}
858EXPORT_SYMBOL(security_secid_to_secctx);
859
David Howells7bf570d2008-04-29 20:52:51 +0100860int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +0000861{
862 return security_ops->secctx_to_secid(secdata, seclen, secid);
863}
864EXPORT_SYMBOL(security_secctx_to_secid);
865
James Morris20510f22007-10-16 23:31:32 -0700866void security_release_secctx(char *secdata, u32 seclen)
867{
James Morris65fc7662008-06-12 01:00:10 +1000868 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -0700869}
870EXPORT_SYMBOL(security_release_secctx);
871
872#ifdef CONFIG_SECURITY_NETWORK
873
874int security_unix_stream_connect(struct socket *sock, struct socket *other,
875 struct sock *newsk)
876{
877 return security_ops->unix_stream_connect(sock, other, newsk);
878}
879EXPORT_SYMBOL(security_unix_stream_connect);
880
881int security_unix_may_send(struct socket *sock, struct socket *other)
882{
883 return security_ops->unix_may_send(sock, other);
884}
885EXPORT_SYMBOL(security_unix_may_send);
886
887int security_socket_create(int family, int type, int protocol, int kern)
888{
889 return security_ops->socket_create(family, type, protocol, kern);
890}
891
892int security_socket_post_create(struct socket *sock, int family,
893 int type, int protocol, int kern)
894{
895 return security_ops->socket_post_create(sock, family, type,
896 protocol, kern);
897}
898
899int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
900{
901 return security_ops->socket_bind(sock, address, addrlen);
902}
903
904int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
905{
906 return security_ops->socket_connect(sock, address, addrlen);
907}
908
909int security_socket_listen(struct socket *sock, int backlog)
910{
911 return security_ops->socket_listen(sock, backlog);
912}
913
914int security_socket_accept(struct socket *sock, struct socket *newsock)
915{
916 return security_ops->socket_accept(sock, newsock);
917}
918
919void security_socket_post_accept(struct socket *sock, struct socket *newsock)
920{
921 security_ops->socket_post_accept(sock, newsock);
922}
923
924int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
925{
926 return security_ops->socket_sendmsg(sock, msg, size);
927}
928
929int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
930 int size, int flags)
931{
932 return security_ops->socket_recvmsg(sock, msg, size, flags);
933}
934
935int security_socket_getsockname(struct socket *sock)
936{
937 return security_ops->socket_getsockname(sock);
938}
939
940int security_socket_getpeername(struct socket *sock)
941{
942 return security_ops->socket_getpeername(sock);
943}
944
945int security_socket_getsockopt(struct socket *sock, int level, int optname)
946{
947 return security_ops->socket_getsockopt(sock, level, optname);
948}
949
950int security_socket_setsockopt(struct socket *sock, int level, int optname)
951{
952 return security_ops->socket_setsockopt(sock, level, optname);
953}
954
955int security_socket_shutdown(struct socket *sock, int how)
956{
957 return security_ops->socket_shutdown(sock, how);
958}
959
960int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
961{
962 return security_ops->socket_sock_rcv_skb(sk, skb);
963}
964EXPORT_SYMBOL(security_sock_rcv_skb);
965
966int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
967 int __user *optlen, unsigned len)
968{
969 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
970}
971
972int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
973{
974 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
975}
976EXPORT_SYMBOL(security_socket_getpeersec_dgram);
977
978int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
979{
980 return security_ops->sk_alloc_security(sk, family, priority);
981}
982
983void security_sk_free(struct sock *sk)
984{
James Morris65fc7662008-06-12 01:00:10 +1000985 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -0700986}
987
988void security_sk_clone(const struct sock *sk, struct sock *newsk)
989{
James Morris65fc7662008-06-12 01:00:10 +1000990 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -0700991}
992
993void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
994{
995 security_ops->sk_getsecid(sk, &fl->secid);
996}
997EXPORT_SYMBOL(security_sk_classify_flow);
998
999void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1000{
1001 security_ops->req_classify_flow(req, fl);
1002}
1003EXPORT_SYMBOL(security_req_classify_flow);
1004
1005void security_sock_graft(struct sock *sk, struct socket *parent)
1006{
1007 security_ops->sock_graft(sk, parent);
1008}
1009EXPORT_SYMBOL(security_sock_graft);
1010
1011int security_inet_conn_request(struct sock *sk,
1012 struct sk_buff *skb, struct request_sock *req)
1013{
1014 return security_ops->inet_conn_request(sk, skb, req);
1015}
1016EXPORT_SYMBOL(security_inet_conn_request);
1017
1018void security_inet_csk_clone(struct sock *newsk,
1019 const struct request_sock *req)
1020{
1021 security_ops->inet_csk_clone(newsk, req);
1022}
1023
1024void security_inet_conn_established(struct sock *sk,
1025 struct sk_buff *skb)
1026{
1027 security_ops->inet_conn_established(sk, skb);
1028}
1029
1030#endif /* CONFIG_SECURITY_NETWORK */
1031
1032#ifdef CONFIG_SECURITY_NETWORK_XFRM
1033
Paul Moore03e1ad72008-04-12 19:07:52 -07001034int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001035{
Paul Moore03e1ad72008-04-12 19:07:52 -07001036 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001037}
1038EXPORT_SYMBOL(security_xfrm_policy_alloc);
1039
Paul Moore03e1ad72008-04-12 19:07:52 -07001040int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1041 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001042{
Paul Moore03e1ad72008-04-12 19:07:52 -07001043 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001044}
1045
Paul Moore03e1ad72008-04-12 19:07:52 -07001046void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001047{
Paul Moore03e1ad72008-04-12 19:07:52 -07001048 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001049}
1050EXPORT_SYMBOL(security_xfrm_policy_free);
1051
Paul Moore03e1ad72008-04-12 19:07:52 -07001052int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001053{
Paul Moore03e1ad72008-04-12 19:07:52 -07001054 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001055}
1056
1057int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1058{
1059 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1060}
1061EXPORT_SYMBOL(security_xfrm_state_alloc);
1062
1063int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1064 struct xfrm_sec_ctx *polsec, u32 secid)
1065{
1066 if (!polsec)
1067 return 0;
1068 /*
1069 * We want the context to be taken from secid which is usually
1070 * from the sock.
1071 */
1072 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1073}
1074
1075int security_xfrm_state_delete(struct xfrm_state *x)
1076{
1077 return security_ops->xfrm_state_delete_security(x);
1078}
1079EXPORT_SYMBOL(security_xfrm_state_delete);
1080
1081void security_xfrm_state_free(struct xfrm_state *x)
1082{
1083 security_ops->xfrm_state_free_security(x);
1084}
1085
Paul Moore03e1ad72008-04-12 19:07:52 -07001086int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001087{
Paul Moore03e1ad72008-04-12 19:07:52 -07001088 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001089}
1090
1091int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1092 struct xfrm_policy *xp, struct flowi *fl)
1093{
1094 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1095}
1096
1097int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1098{
1099 return security_ops->xfrm_decode_session(skb, secid, 1);
1100}
1101
1102void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1103{
1104 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1105
1106 BUG_ON(rc);
1107}
1108EXPORT_SYMBOL(security_skb_classify_flow);
1109
1110#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1111
1112#ifdef CONFIG_KEYS
1113
1114int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1115{
1116 return security_ops->key_alloc(key, tsk, flags);
1117}
1118
1119void security_key_free(struct key *key)
1120{
1121 security_ops->key_free(key);
1122}
1123
1124int security_key_permission(key_ref_t key_ref,
1125 struct task_struct *context, key_perm_t perm)
1126{
1127 return security_ops->key_permission(key_ref, context, perm);
1128}
1129
David Howells70a5bb72008-04-29 01:01:26 -07001130int security_key_getsecurity(struct key *key, char **_buffer)
1131{
1132 return security_ops->key_getsecurity(key, _buffer);
1133}
1134
James Morris20510f22007-10-16 23:31:32 -07001135#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001136
1137#ifdef CONFIG_AUDIT
1138
1139int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1140{
1141 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1142}
1143
1144int security_audit_rule_known(struct audit_krule *krule)
1145{
1146 return security_ops->audit_rule_known(krule);
1147}
1148
1149void security_audit_rule_free(void *lsmrule)
1150{
1151 security_ops->audit_rule_free(lsmrule);
1152}
1153
1154int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1155 struct audit_context *actx)
1156{
1157 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1158}
1159
1160#endif /* CONFIG_AUDIT */