blob: d85dbb37c97261a37b96e5ddfee3e8ea1599ff3d [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
David Howellsd84f4f92008-11-14 10:39:23 +1100148int security_capset(struct cred *new, const struct cred *old,
149 const kernel_cap_t *effective,
150 const kernel_cap_t *inheritable,
151 const kernel_cap_t *permitted)
James Morris20510f22007-10-16 23:31:32 -0700152{
David Howellsd84f4f92008-11-14 10:39:23 +1100153 return security_ops->capset(new, old,
154 effective, inheritable, permitted);
James Morris20510f22007-10-16 23:31:32 -0700155}
156
157int security_capable(struct task_struct *tsk, int cap)
158{
Eric Paris06112162008-11-11 22:02:50 +1100159 return security_ops->capable(tsk, cap, SECURITY_CAP_AUDIT);
160}
161
162int security_capable_noaudit(struct task_struct *tsk, int cap)
163{
164 return security_ops->capable(tsk, cap, SECURITY_CAP_NOAUDIT);
James Morris20510f22007-10-16 23:31:32 -0700165}
166
167int security_acct(struct file *file)
168{
169 return security_ops->acct(file);
170}
171
172int security_sysctl(struct ctl_table *table, int op)
173{
174 return security_ops->sysctl(table, op);
175}
176
177int security_quotactl(int cmds, int type, int id, struct super_block *sb)
178{
179 return security_ops->quotactl(cmds, type, id, sb);
180}
181
182int security_quota_on(struct dentry *dentry)
183{
184 return security_ops->quota_on(dentry);
185}
186
187int security_syslog(int type)
188{
189 return security_ops->syslog(type);
190}
191
192int security_settime(struct timespec *ts, struct timezone *tz)
193{
194 return security_ops->settime(ts, tz);
195}
196
197int security_vm_enough_memory(long pages)
198{
Alan Cox731572d2008-10-29 14:01:20 -0700199 WARN_ON(current->mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700200 return security_ops->vm_enough_memory(current->mm, pages);
201}
202
203int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
204{
Alan Cox731572d2008-10-29 14:01:20 -0700205 WARN_ON(mm == NULL);
James Morris20510f22007-10-16 23:31:32 -0700206 return security_ops->vm_enough_memory(mm, pages);
207}
208
Alan Cox731572d2008-10-29 14:01:20 -0700209int security_vm_enough_memory_kern(long pages)
210{
211 /* If current->mm is a kernel thread then we will pass NULL,
212 for this specific case that is fine */
213 return security_ops->vm_enough_memory(current->mm, pages);
214}
215
David Howellsa6f76f22008-11-14 10:39:24 +1100216int security_bprm_set_creds(struct linux_binprm *bprm)
James Morris20510f22007-10-16 23:31:32 -0700217{
David Howellsa6f76f22008-11-14 10:39:24 +1100218 return security_ops->bprm_set_creds(bprm);
James Morris20510f22007-10-16 23:31:32 -0700219}
220
221int security_bprm_check(struct linux_binprm *bprm)
222{
223 return security_ops->bprm_check_security(bprm);
224}
225
David Howellsa6f76f22008-11-14 10:39:24 +1100226void security_bprm_committing_creds(struct linux_binprm *bprm)
227{
Hannes Eder200036c2008-11-24 22:14:43 +0100228 security_ops->bprm_committing_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100229}
230
231void security_bprm_committed_creds(struct linux_binprm *bprm)
232{
Hannes Eder200036c2008-11-24 22:14:43 +0100233 security_ops->bprm_committed_creds(bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100234}
235
James Morris20510f22007-10-16 23:31:32 -0700236int security_bprm_secureexec(struct linux_binprm *bprm)
237{
238 return security_ops->bprm_secureexec(bprm);
239}
240
241int security_sb_alloc(struct super_block *sb)
242{
243 return security_ops->sb_alloc_security(sb);
244}
245
246void security_sb_free(struct super_block *sb)
247{
248 security_ops->sb_free_security(sb);
249}
250
Eric Parise0007522008-03-05 10:31:54 -0500251int security_sb_copy_data(char *orig, char *copy)
James Morris20510f22007-10-16 23:31:32 -0700252{
Eric Parise0007522008-03-05 10:31:54 -0500253 return security_ops->sb_copy_data(orig, copy);
James Morris20510f22007-10-16 23:31:32 -0700254}
Eric Parise0007522008-03-05 10:31:54 -0500255EXPORT_SYMBOL(security_sb_copy_data);
James Morris20510f22007-10-16 23:31:32 -0700256
James Morris12204e22008-12-19 10:44:42 +1100257int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
James Morris20510f22007-10-16 23:31:32 -0700258{
James Morris12204e22008-12-19 10:44:42 +1100259 return security_ops->sb_kern_mount(sb, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700260}
261
Eric Paris2069f452008-07-04 09:47:13 +1000262int security_sb_show_options(struct seq_file *m, struct super_block *sb)
263{
264 return security_ops->sb_show_options(m, sb);
265}
266
James Morris20510f22007-10-16 23:31:32 -0700267int security_sb_statfs(struct dentry *dentry)
268{
269 return security_ops->sb_statfs(dentry);
270}
271
Al Virob5266eb2008-03-22 17:48:24 -0400272int security_sb_mount(char *dev_name, struct path *path,
James Morris20510f22007-10-16 23:31:32 -0700273 char *type, unsigned long flags, void *data)
274{
Al Virob5266eb2008-03-22 17:48:24 -0400275 return security_ops->sb_mount(dev_name, path, type, flags, data);
James Morris20510f22007-10-16 23:31:32 -0700276}
277
Al Virob5266eb2008-03-22 17:48:24 -0400278int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
James Morris20510f22007-10-16 23:31:32 -0700279{
Al Virob5266eb2008-03-22 17:48:24 -0400280 return security_ops->sb_check_sb(mnt, path);
James Morris20510f22007-10-16 23:31:32 -0700281}
282
283int security_sb_umount(struct vfsmount *mnt, int flags)
284{
285 return security_ops->sb_umount(mnt, flags);
286}
287
288void security_sb_umount_close(struct vfsmount *mnt)
289{
290 security_ops->sb_umount_close(mnt);
291}
292
293void security_sb_umount_busy(struct vfsmount *mnt)
294{
295 security_ops->sb_umount_busy(mnt);
296}
297
298void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
299{
300 security_ops->sb_post_remount(mnt, flags, data);
301}
302
Al Virob5266eb2008-03-22 17:48:24 -0400303void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
James Morris20510f22007-10-16 23:31:32 -0700304{
Al Virob5266eb2008-03-22 17:48:24 -0400305 security_ops->sb_post_addmount(mnt, mountpoint);
James Morris20510f22007-10-16 23:31:32 -0700306}
307
Al Virob5266eb2008-03-22 17:48:24 -0400308int security_sb_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700309{
Al Virob5266eb2008-03-22 17:48:24 -0400310 return security_ops->sb_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700311}
312
Al Virob5266eb2008-03-22 17:48:24 -0400313void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
James Morris20510f22007-10-16 23:31:32 -0700314{
Al Virob5266eb2008-03-22 17:48:24 -0400315 security_ops->sb_post_pivotroot(old_path, new_path);
James Morris20510f22007-10-16 23:31:32 -0700316}
317
Eric Parisc9180a52007-11-30 13:00:35 -0500318int security_sb_set_mnt_opts(struct super_block *sb,
Eric Parise0007522008-03-05 10:31:54 -0500319 struct security_mnt_opts *opts)
Eric Parisc9180a52007-11-30 13:00:35 -0500320{
Eric Parise0007522008-03-05 10:31:54 -0500321 return security_ops->sb_set_mnt_opts(sb, opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500322}
Eric Parise0007522008-03-05 10:31:54 -0500323EXPORT_SYMBOL(security_sb_set_mnt_opts);
Eric Parisc9180a52007-11-30 13:00:35 -0500324
325void security_sb_clone_mnt_opts(const struct super_block *oldsb,
326 struct super_block *newsb)
327{
328 security_ops->sb_clone_mnt_opts(oldsb, newsb);
329}
Eric Parise0007522008-03-05 10:31:54 -0500330EXPORT_SYMBOL(security_sb_clone_mnt_opts);
331
332int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
333{
334 return security_ops->sb_parse_opts_str(options, opts);
335}
336EXPORT_SYMBOL(security_sb_parse_opts_str);
Eric Parisc9180a52007-11-30 13:00:35 -0500337
James Morris20510f22007-10-16 23:31:32 -0700338int security_inode_alloc(struct inode *inode)
339{
340 inode->i_security = NULL;
341 return security_ops->inode_alloc_security(inode);
342}
343
344void security_inode_free(struct inode *inode)
345{
346 security_ops->inode_free_security(inode);
347}
348
349int security_inode_init_security(struct inode *inode, struct inode *dir,
350 char **name, void **value, size_t *len)
351{
352 if (unlikely(IS_PRIVATE(inode)))
353 return -EOPNOTSUPP;
354 return security_ops->inode_init_security(inode, dir, name, value, len);
355}
356EXPORT_SYMBOL(security_inode_init_security);
357
358int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
359{
360 if (unlikely(IS_PRIVATE(dir)))
361 return 0;
362 return security_ops->inode_create(dir, dentry, mode);
363}
364
365int security_inode_link(struct dentry *old_dentry, struct inode *dir,
366 struct dentry *new_dentry)
367{
368 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
369 return 0;
370 return security_ops->inode_link(old_dentry, dir, new_dentry);
371}
372
373int security_inode_unlink(struct inode *dir, struct dentry *dentry)
374{
375 if (unlikely(IS_PRIVATE(dentry->d_inode)))
376 return 0;
377 return security_ops->inode_unlink(dir, dentry);
378}
379
380int security_inode_symlink(struct inode *dir, struct dentry *dentry,
381 const char *old_name)
382{
383 if (unlikely(IS_PRIVATE(dir)))
384 return 0;
385 return security_ops->inode_symlink(dir, dentry, old_name);
386}
387
388int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
389{
390 if (unlikely(IS_PRIVATE(dir)))
391 return 0;
392 return security_ops->inode_mkdir(dir, dentry, mode);
393}
394
395int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
396{
397 if (unlikely(IS_PRIVATE(dentry->d_inode)))
398 return 0;
399 return security_ops->inode_rmdir(dir, dentry);
400}
401
402int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
403{
404 if (unlikely(IS_PRIVATE(dir)))
405 return 0;
406 return security_ops->inode_mknod(dir, dentry, mode, dev);
407}
408
409int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
410 struct inode *new_dir, struct dentry *new_dentry)
411{
412 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
413 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
414 return 0;
415 return security_ops->inode_rename(old_dir, old_dentry,
416 new_dir, new_dentry);
417}
418
419int security_inode_readlink(struct dentry *dentry)
420{
421 if (unlikely(IS_PRIVATE(dentry->d_inode)))
422 return 0;
423 return security_ops->inode_readlink(dentry);
424}
425
426int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
427{
428 if (unlikely(IS_PRIVATE(dentry->d_inode)))
429 return 0;
430 return security_ops->inode_follow_link(dentry, nd);
431}
432
Al Virob77b0642008-07-17 09:37:02 -0400433int security_inode_permission(struct inode *inode, int mask)
James Morris20510f22007-10-16 23:31:32 -0700434{
435 if (unlikely(IS_PRIVATE(inode)))
436 return 0;
Al Virob77b0642008-07-17 09:37:02 -0400437 return security_ops->inode_permission(inode, mask);
James Morris20510f22007-10-16 23:31:32 -0700438}
439
440int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
441{
442 if (unlikely(IS_PRIVATE(dentry->d_inode)))
443 return 0;
444 return security_ops->inode_setattr(dentry, attr);
445}
Miklos Szeredib1da47e2008-07-01 15:01:28 +0200446EXPORT_SYMBOL_GPL(security_inode_setattr);
James Morris20510f22007-10-16 23:31:32 -0700447
448int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
449{
450 if (unlikely(IS_PRIVATE(dentry->d_inode)))
451 return 0;
452 return security_ops->inode_getattr(mnt, dentry);
453}
454
455void security_inode_delete(struct inode *inode)
456{
457 if (unlikely(IS_PRIVATE(inode)))
458 return;
459 security_ops->inode_delete(inode);
460}
461
David Howells8f0cfa52008-04-29 00:59:41 -0700462int security_inode_setxattr(struct dentry *dentry, const char *name,
463 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700464{
465 if (unlikely(IS_PRIVATE(dentry->d_inode)))
466 return 0;
467 return security_ops->inode_setxattr(dentry, name, value, size, flags);
468}
469
David Howells8f0cfa52008-04-29 00:59:41 -0700470void security_inode_post_setxattr(struct dentry *dentry, const char *name,
471 const void *value, size_t size, int flags)
James Morris20510f22007-10-16 23:31:32 -0700472{
473 if (unlikely(IS_PRIVATE(dentry->d_inode)))
474 return;
475 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
476}
477
David Howells8f0cfa52008-04-29 00:59:41 -0700478int security_inode_getxattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700479{
480 if (unlikely(IS_PRIVATE(dentry->d_inode)))
481 return 0;
482 return security_ops->inode_getxattr(dentry, name);
483}
484
485int security_inode_listxattr(struct dentry *dentry)
486{
487 if (unlikely(IS_PRIVATE(dentry->d_inode)))
488 return 0;
489 return security_ops->inode_listxattr(dentry);
490}
491
David Howells8f0cfa52008-04-29 00:59:41 -0700492int security_inode_removexattr(struct dentry *dentry, const char *name)
James Morris20510f22007-10-16 23:31:32 -0700493{
494 if (unlikely(IS_PRIVATE(dentry->d_inode)))
495 return 0;
496 return security_ops->inode_removexattr(dentry, name);
497}
498
Serge E. Hallynb5376772007-10-16 23:31:36 -0700499int security_inode_need_killpriv(struct dentry *dentry)
500{
501 return security_ops->inode_need_killpriv(dentry);
502}
503
504int security_inode_killpriv(struct dentry *dentry)
505{
506 return security_ops->inode_killpriv(dentry);
507}
508
David P. Quigley42492592008-02-04 22:29:39 -0800509int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
James Morris20510f22007-10-16 23:31:32 -0700510{
511 if (unlikely(IS_PRIVATE(inode)))
512 return 0;
David P. Quigley42492592008-02-04 22:29:39 -0800513 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
James Morris20510f22007-10-16 23:31:32 -0700514}
515
516int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
517{
518 if (unlikely(IS_PRIVATE(inode)))
519 return 0;
520 return security_ops->inode_setsecurity(inode, name, value, size, flags);
521}
522
523int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
524{
525 if (unlikely(IS_PRIVATE(inode)))
526 return 0;
527 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
528}
529
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200530void security_inode_getsecid(const struct inode *inode, u32 *secid)
531{
532 security_ops->inode_getsecid(inode, secid);
533}
534
James Morris20510f22007-10-16 23:31:32 -0700535int security_file_permission(struct file *file, int mask)
536{
537 return security_ops->file_permission(file, mask);
538}
539
540int security_file_alloc(struct file *file)
541{
542 return security_ops->file_alloc_security(file);
543}
544
545void security_file_free(struct file *file)
546{
547 security_ops->file_free_security(file);
548}
549
550int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
551{
552 return security_ops->file_ioctl(file, cmd, arg);
553}
554
555int security_file_mmap(struct file *file, unsigned long reqprot,
556 unsigned long prot, unsigned long flags,
557 unsigned long addr, unsigned long addr_only)
558{
559 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
560}
561
562int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
563 unsigned long prot)
564{
565 return security_ops->file_mprotect(vma, reqprot, prot);
566}
567
568int security_file_lock(struct file *file, unsigned int cmd)
569{
570 return security_ops->file_lock(file, cmd);
571}
572
573int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
574{
575 return security_ops->file_fcntl(file, cmd, arg);
576}
577
578int security_file_set_fowner(struct file *file)
579{
580 return security_ops->file_set_fowner(file);
581}
582
583int security_file_send_sigiotask(struct task_struct *tsk,
584 struct fown_struct *fown, int sig)
585{
586 return security_ops->file_send_sigiotask(tsk, fown, sig);
587}
588
589int security_file_receive(struct file *file)
590{
591 return security_ops->file_receive(file);
592}
593
David Howells745ca242008-11-14 10:39:22 +1100594int security_dentry_open(struct file *file, const struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700595{
David Howells745ca242008-11-14 10:39:22 +1100596 return security_ops->dentry_open(file, cred);
James Morris20510f22007-10-16 23:31:32 -0700597}
598
599int security_task_create(unsigned long clone_flags)
600{
601 return security_ops->task_create(clone_flags);
602}
603
David Howellsf1752ee2008-11-14 10:39:17 +1100604void security_cred_free(struct cred *cred)
James Morris20510f22007-10-16 23:31:32 -0700605{
David Howellsf1752ee2008-11-14 10:39:17 +1100606 security_ops->cred_free(cred);
James Morris20510f22007-10-16 23:31:32 -0700607}
608
David Howellsd84f4f92008-11-14 10:39:23 +1100609int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
610{
611 return security_ops->cred_prepare(new, old, gfp);
612}
613
614void security_commit_creds(struct cred *new, const struct cred *old)
615{
Hannes Eder200036c2008-11-24 22:14:43 +0100616 security_ops->cred_commit(new, old);
David Howellsd84f4f92008-11-14 10:39:23 +1100617}
618
David Howells3a3b7ce2008-11-14 10:39:28 +1100619int security_kernel_act_as(struct cred *new, u32 secid)
620{
621 return security_ops->kernel_act_as(new, secid);
622}
623
624int security_kernel_create_files_as(struct cred *new, struct inode *inode)
625{
626 return security_ops->kernel_create_files_as(new, inode);
627}
628
James Morris20510f22007-10-16 23:31:32 -0700629int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
630{
631 return security_ops->task_setuid(id0, id1, id2, flags);
632}
633
David Howellsd84f4f92008-11-14 10:39:23 +1100634int security_task_fix_setuid(struct cred *new, const struct cred *old,
635 int flags)
James Morris20510f22007-10-16 23:31:32 -0700636{
David Howellsd84f4f92008-11-14 10:39:23 +1100637 return security_ops->task_fix_setuid(new, old, flags);
James Morris20510f22007-10-16 23:31:32 -0700638}
639
640int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
641{
642 return security_ops->task_setgid(id0, id1, id2, flags);
643}
644
645int security_task_setpgid(struct task_struct *p, pid_t pgid)
646{
647 return security_ops->task_setpgid(p, pgid);
648}
649
650int security_task_getpgid(struct task_struct *p)
651{
652 return security_ops->task_getpgid(p);
653}
654
655int security_task_getsid(struct task_struct *p)
656{
657 return security_ops->task_getsid(p);
658}
659
660void security_task_getsecid(struct task_struct *p, u32 *secid)
661{
662 security_ops->task_getsecid(p, secid);
663}
664EXPORT_SYMBOL(security_task_getsecid);
665
666int security_task_setgroups(struct group_info *group_info)
667{
668 return security_ops->task_setgroups(group_info);
669}
670
671int security_task_setnice(struct task_struct *p, int nice)
672{
673 return security_ops->task_setnice(p, nice);
674}
675
676int security_task_setioprio(struct task_struct *p, int ioprio)
677{
678 return security_ops->task_setioprio(p, ioprio);
679}
680
681int security_task_getioprio(struct task_struct *p)
682{
683 return security_ops->task_getioprio(p);
684}
685
686int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
687{
688 return security_ops->task_setrlimit(resource, new_rlim);
689}
690
691int security_task_setscheduler(struct task_struct *p,
692 int policy, struct sched_param *lp)
693{
694 return security_ops->task_setscheduler(p, policy, lp);
695}
696
697int security_task_getscheduler(struct task_struct *p)
698{
699 return security_ops->task_getscheduler(p);
700}
701
702int security_task_movememory(struct task_struct *p)
703{
704 return security_ops->task_movememory(p);
705}
706
707int security_task_kill(struct task_struct *p, struct siginfo *info,
708 int sig, u32 secid)
709{
710 return security_ops->task_kill(p, info, sig, secid);
711}
712
713int security_task_wait(struct task_struct *p)
714{
715 return security_ops->task_wait(p);
716}
717
718int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100719 unsigned long arg4, unsigned long arg5)
James Morris20510f22007-10-16 23:31:32 -0700720{
David Howellsd84f4f92008-11-14 10:39:23 +1100721 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
James Morris20510f22007-10-16 23:31:32 -0700722}
723
724void security_task_to_inode(struct task_struct *p, struct inode *inode)
725{
726 security_ops->task_to_inode(p, inode);
727}
728
729int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
730{
731 return security_ops->ipc_permission(ipcp, flag);
732}
733
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200734void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
735{
736 security_ops->ipc_getsecid(ipcp, secid);
737}
738
James Morris20510f22007-10-16 23:31:32 -0700739int security_msg_msg_alloc(struct msg_msg *msg)
740{
741 return security_ops->msg_msg_alloc_security(msg);
742}
743
744void security_msg_msg_free(struct msg_msg *msg)
745{
746 security_ops->msg_msg_free_security(msg);
747}
748
749int security_msg_queue_alloc(struct msg_queue *msq)
750{
751 return security_ops->msg_queue_alloc_security(msq);
752}
753
754void security_msg_queue_free(struct msg_queue *msq)
755{
756 security_ops->msg_queue_free_security(msq);
757}
758
759int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
760{
761 return security_ops->msg_queue_associate(msq, msqflg);
762}
763
764int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
765{
766 return security_ops->msg_queue_msgctl(msq, cmd);
767}
768
769int security_msg_queue_msgsnd(struct msg_queue *msq,
770 struct msg_msg *msg, int msqflg)
771{
772 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
773}
774
775int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
776 struct task_struct *target, long type, int mode)
777{
778 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
779}
780
781int security_shm_alloc(struct shmid_kernel *shp)
782{
783 return security_ops->shm_alloc_security(shp);
784}
785
786void security_shm_free(struct shmid_kernel *shp)
787{
788 security_ops->shm_free_security(shp);
789}
790
791int security_shm_associate(struct shmid_kernel *shp, int shmflg)
792{
793 return security_ops->shm_associate(shp, shmflg);
794}
795
796int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
797{
798 return security_ops->shm_shmctl(shp, cmd);
799}
800
801int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
802{
803 return security_ops->shm_shmat(shp, shmaddr, shmflg);
804}
805
806int security_sem_alloc(struct sem_array *sma)
807{
808 return security_ops->sem_alloc_security(sma);
809}
810
811void security_sem_free(struct sem_array *sma)
812{
813 security_ops->sem_free_security(sma);
814}
815
816int security_sem_associate(struct sem_array *sma, int semflg)
817{
818 return security_ops->sem_associate(sma, semflg);
819}
820
821int security_sem_semctl(struct sem_array *sma, int cmd)
822{
823 return security_ops->sem_semctl(sma, cmd);
824}
825
826int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
827 unsigned nsops, int alter)
828{
829 return security_ops->sem_semop(sma, sops, nsops, alter);
830}
831
832void security_d_instantiate(struct dentry *dentry, struct inode *inode)
833{
834 if (unlikely(inode && IS_PRIVATE(inode)))
835 return;
836 security_ops->d_instantiate(dentry, inode);
837}
838EXPORT_SYMBOL(security_d_instantiate);
839
840int security_getprocattr(struct task_struct *p, char *name, char **value)
841{
842 return security_ops->getprocattr(p, name, value);
843}
844
845int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
846{
847 return security_ops->setprocattr(p, name, value, size);
848}
849
850int security_netlink_send(struct sock *sk, struct sk_buff *skb)
851{
852 return security_ops->netlink_send(sk, skb);
853}
James Morris20510f22007-10-16 23:31:32 -0700854
855int security_netlink_recv(struct sk_buff *skb, int cap)
856{
857 return security_ops->netlink_recv(skb, cap);
858}
859EXPORT_SYMBOL(security_netlink_recv);
860
861int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
862{
863 return security_ops->secid_to_secctx(secid, secdata, seclen);
864}
865EXPORT_SYMBOL(security_secid_to_secctx);
866
David Howells7bf570d2008-04-29 20:52:51 +0100867int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
David Howells63cb3442008-01-15 23:47:35 +0000868{
869 return security_ops->secctx_to_secid(secdata, seclen, secid);
870}
871EXPORT_SYMBOL(security_secctx_to_secid);
872
James Morris20510f22007-10-16 23:31:32 -0700873void security_release_secctx(char *secdata, u32 seclen)
874{
James Morris65fc7662008-06-12 01:00:10 +1000875 security_ops->release_secctx(secdata, seclen);
James Morris20510f22007-10-16 23:31:32 -0700876}
877EXPORT_SYMBOL(security_release_secctx);
878
879#ifdef CONFIG_SECURITY_NETWORK
880
881int security_unix_stream_connect(struct socket *sock, struct socket *other,
882 struct sock *newsk)
883{
884 return security_ops->unix_stream_connect(sock, other, newsk);
885}
886EXPORT_SYMBOL(security_unix_stream_connect);
887
888int security_unix_may_send(struct socket *sock, struct socket *other)
889{
890 return security_ops->unix_may_send(sock, other);
891}
892EXPORT_SYMBOL(security_unix_may_send);
893
894int security_socket_create(int family, int type, int protocol, int kern)
895{
896 return security_ops->socket_create(family, type, protocol, kern);
897}
898
899int security_socket_post_create(struct socket *sock, int family,
900 int type, int protocol, int kern)
901{
902 return security_ops->socket_post_create(sock, family, type,
903 protocol, kern);
904}
905
906int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
907{
908 return security_ops->socket_bind(sock, address, addrlen);
909}
910
911int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
912{
913 return security_ops->socket_connect(sock, address, addrlen);
914}
915
916int security_socket_listen(struct socket *sock, int backlog)
917{
918 return security_ops->socket_listen(sock, backlog);
919}
920
921int security_socket_accept(struct socket *sock, struct socket *newsock)
922{
923 return security_ops->socket_accept(sock, newsock);
924}
925
926void security_socket_post_accept(struct socket *sock, struct socket *newsock)
927{
928 security_ops->socket_post_accept(sock, newsock);
929}
930
931int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
932{
933 return security_ops->socket_sendmsg(sock, msg, size);
934}
935
936int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
937 int size, int flags)
938{
939 return security_ops->socket_recvmsg(sock, msg, size, flags);
940}
941
942int security_socket_getsockname(struct socket *sock)
943{
944 return security_ops->socket_getsockname(sock);
945}
946
947int security_socket_getpeername(struct socket *sock)
948{
949 return security_ops->socket_getpeername(sock);
950}
951
952int security_socket_getsockopt(struct socket *sock, int level, int optname)
953{
954 return security_ops->socket_getsockopt(sock, level, optname);
955}
956
957int security_socket_setsockopt(struct socket *sock, int level, int optname)
958{
959 return security_ops->socket_setsockopt(sock, level, optname);
960}
961
962int security_socket_shutdown(struct socket *sock, int how)
963{
964 return security_ops->socket_shutdown(sock, how);
965}
966
967int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
968{
969 return security_ops->socket_sock_rcv_skb(sk, skb);
970}
971EXPORT_SYMBOL(security_sock_rcv_skb);
972
973int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
974 int __user *optlen, unsigned len)
975{
976 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
977}
978
979int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
980{
981 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
982}
983EXPORT_SYMBOL(security_socket_getpeersec_dgram);
984
985int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
986{
987 return security_ops->sk_alloc_security(sk, family, priority);
988}
989
990void security_sk_free(struct sock *sk)
991{
James Morris65fc7662008-06-12 01:00:10 +1000992 security_ops->sk_free_security(sk);
James Morris20510f22007-10-16 23:31:32 -0700993}
994
995void security_sk_clone(const struct sock *sk, struct sock *newsk)
996{
James Morris65fc7662008-06-12 01:00:10 +1000997 security_ops->sk_clone_security(sk, newsk);
James Morris20510f22007-10-16 23:31:32 -0700998}
999
1000void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1001{
1002 security_ops->sk_getsecid(sk, &fl->secid);
1003}
1004EXPORT_SYMBOL(security_sk_classify_flow);
1005
1006void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1007{
1008 security_ops->req_classify_flow(req, fl);
1009}
1010EXPORT_SYMBOL(security_req_classify_flow);
1011
1012void security_sock_graft(struct sock *sk, struct socket *parent)
1013{
1014 security_ops->sock_graft(sk, parent);
1015}
1016EXPORT_SYMBOL(security_sock_graft);
1017
1018int security_inet_conn_request(struct sock *sk,
1019 struct sk_buff *skb, struct request_sock *req)
1020{
1021 return security_ops->inet_conn_request(sk, skb, req);
1022}
1023EXPORT_SYMBOL(security_inet_conn_request);
1024
1025void security_inet_csk_clone(struct sock *newsk,
1026 const struct request_sock *req)
1027{
1028 security_ops->inet_csk_clone(newsk, req);
1029}
1030
1031void security_inet_conn_established(struct sock *sk,
1032 struct sk_buff *skb)
1033{
1034 security_ops->inet_conn_established(sk, skb);
1035}
1036
1037#endif /* CONFIG_SECURITY_NETWORK */
1038
1039#ifdef CONFIG_SECURITY_NETWORK_XFRM
1040
Paul Moore03e1ad72008-04-12 19:07:52 -07001041int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
James Morris20510f22007-10-16 23:31:32 -07001042{
Paul Moore03e1ad72008-04-12 19:07:52 -07001043 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
James Morris20510f22007-10-16 23:31:32 -07001044}
1045EXPORT_SYMBOL(security_xfrm_policy_alloc);
1046
Paul Moore03e1ad72008-04-12 19:07:52 -07001047int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1048 struct xfrm_sec_ctx **new_ctxp)
James Morris20510f22007-10-16 23:31:32 -07001049{
Paul Moore03e1ad72008-04-12 19:07:52 -07001050 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
James Morris20510f22007-10-16 23:31:32 -07001051}
1052
Paul Moore03e1ad72008-04-12 19:07:52 -07001053void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001054{
Paul Moore03e1ad72008-04-12 19:07:52 -07001055 security_ops->xfrm_policy_free_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001056}
1057EXPORT_SYMBOL(security_xfrm_policy_free);
1058
Paul Moore03e1ad72008-04-12 19:07:52 -07001059int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
James Morris20510f22007-10-16 23:31:32 -07001060{
Paul Moore03e1ad72008-04-12 19:07:52 -07001061 return security_ops->xfrm_policy_delete_security(ctx);
James Morris20510f22007-10-16 23:31:32 -07001062}
1063
1064int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1065{
1066 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1067}
1068EXPORT_SYMBOL(security_xfrm_state_alloc);
1069
1070int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1071 struct xfrm_sec_ctx *polsec, u32 secid)
1072{
1073 if (!polsec)
1074 return 0;
1075 /*
1076 * We want the context to be taken from secid which is usually
1077 * from the sock.
1078 */
1079 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1080}
1081
1082int security_xfrm_state_delete(struct xfrm_state *x)
1083{
1084 return security_ops->xfrm_state_delete_security(x);
1085}
1086EXPORT_SYMBOL(security_xfrm_state_delete);
1087
1088void security_xfrm_state_free(struct xfrm_state *x)
1089{
1090 security_ops->xfrm_state_free_security(x);
1091}
1092
Paul Moore03e1ad72008-04-12 19:07:52 -07001093int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
James Morris20510f22007-10-16 23:31:32 -07001094{
Paul Moore03e1ad72008-04-12 19:07:52 -07001095 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
James Morris20510f22007-10-16 23:31:32 -07001096}
1097
1098int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1099 struct xfrm_policy *xp, struct flowi *fl)
1100{
1101 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1102}
1103
1104int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1105{
1106 return security_ops->xfrm_decode_session(skb, secid, 1);
1107}
1108
1109void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1110{
1111 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1112
1113 BUG_ON(rc);
1114}
1115EXPORT_SYMBOL(security_skb_classify_flow);
1116
1117#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1118
1119#ifdef CONFIG_KEYS
1120
David Howellsd84f4f92008-11-14 10:39:23 +11001121int security_key_alloc(struct key *key, const struct cred *cred,
1122 unsigned long flags)
James Morris20510f22007-10-16 23:31:32 -07001123{
David Howellsd84f4f92008-11-14 10:39:23 +11001124 return security_ops->key_alloc(key, cred, flags);
James Morris20510f22007-10-16 23:31:32 -07001125}
1126
1127void security_key_free(struct key *key)
1128{
1129 security_ops->key_free(key);
1130}
1131
1132int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001133 const struct cred *cred, key_perm_t perm)
James Morris20510f22007-10-16 23:31:32 -07001134{
David Howellsd84f4f92008-11-14 10:39:23 +11001135 return security_ops->key_permission(key_ref, cred, perm);
James Morris20510f22007-10-16 23:31:32 -07001136}
1137
David Howells70a5bb72008-04-29 01:01:26 -07001138int security_key_getsecurity(struct key *key, char **_buffer)
1139{
1140 return security_ops->key_getsecurity(key, _buffer);
1141}
1142
James Morris20510f22007-10-16 23:31:32 -07001143#endif /* CONFIG_KEYS */
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001144
1145#ifdef CONFIG_AUDIT
1146
1147int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1148{
1149 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1150}
1151
1152int security_audit_rule_known(struct audit_krule *krule)
1153{
1154 return security_ops->audit_rule_known(krule);
1155}
1156
1157void security_audit_rule_free(void *lsmrule)
1158{
1159 security_ops->audit_rule_free(lsmrule);
1160}
1161
1162int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1163 struct audit_context *actx)
1164{
1165 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1166}
1167
1168#endif /* CONFIG_AUDIT */